Alex Deymo | aea4c1c | 2015-08-19 20:24:43 -0700 | [diff] [blame] | 1 | // |
| 2 | // Copyright (C) 2012 The Android Open Source Project |
| 3 | // |
| 4 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | // you may not use this file except in compliance with the License. |
| 6 | // You may obtain a copy of the License at |
| 7 | // |
| 8 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | // |
| 10 | // Unless required by applicable law or agreed to in writing, software |
| 11 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | // See the License for the specific language governing permissions and |
| 14 | // limitations under the License. |
| 15 | // |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 16 | |
Darin Petkov | 6a5b322 | 2010-07-13 14:55:28 -0700 | [diff] [blame] | 17 | #include "update_engine/omaha_request_action.h" |
Darin Petkov | 85ced13 | 2010-09-01 10:20:56 -0700 | [diff] [blame] | 18 | |
Andrew de los Reyes | 08c4e27 | 2010-04-15 14:02:17 -0700 | [diff] [blame] | 19 | #include <inttypes.h> |
Darin Petkov | 85ced13 | 2010-09-01 10:20:56 -0700 | [diff] [blame] | 20 | |
Zentaro Kavanagh | 0ff621c | 2018-07-13 13:06:56 -0700 | [diff] [blame] | 21 | #include <limits> |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 22 | #include <map> |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 23 | #include <sstream> |
Jay Srinivasan | 480ddfa | 2012-06-01 19:15:26 -0700 | [diff] [blame] | 24 | #include <string> |
Sen Jiang | 8cd4234 | 2018-01-31 12:06:59 -0800 | [diff] [blame] | 25 | #include <utility> |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 26 | #include <vector> |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 27 | |
David Zeuthen | 8f191b2 | 2013-08-06 12:27:50 -0700 | [diff] [blame] | 28 | #include <base/bind.h> |
Andrew | e045aef | 2020-01-08 16:29:22 -0800 | [diff] [blame] | 29 | #include <base/files/file_util.h> |
Jay Srinivasan | 480ddfa | 2012-06-01 19:15:26 -0700 | [diff] [blame] | 30 | #include <base/logging.h> |
| 31 | #include <base/rand_util.h> |
Alex Vakulenko | 75039d7 | 2014-03-25 12:36:28 -0700 | [diff] [blame] | 32 | #include <base/strings/string_number_conversions.h> |
Sen Jiang | 0affc2c | 2017-02-10 15:55:05 -0800 | [diff] [blame] | 33 | #include <base/strings/string_split.h> |
Alex Vakulenko | 75039d7 | 2014-03-25 12:36:28 -0700 | [diff] [blame] | 34 | #include <base/strings/string_util.h> |
| 35 | #include <base/strings/stringprintf.h> |
| 36 | #include <base/time/time.h> |
Sen Jiang | 684c9cd | 2017-10-17 16:26:45 -0700 | [diff] [blame] | 37 | #include <brillo/key_value_store.h> |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 38 | #include <expat.h> |
Alex Deymo | a259179 | 2015-11-17 00:39:40 -0300 | [diff] [blame] | 39 | #include <metrics/metrics_library.h> |
Zentaro Kavanagh | 1f899d5 | 2018-02-27 15:02:47 -0800 | [diff] [blame] | 40 | #include <policy/libpolicy.h> |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 41 | |
Alex Deymo | 39910dc | 2015-11-09 17:04:30 -0800 | [diff] [blame] | 42 | #include "update_engine/common/action_pipe.h" |
| 43 | #include "update_engine/common/constants.h" |
| 44 | #include "update_engine/common/hardware_interface.h" |
| 45 | #include "update_engine/common/hash_calculator.h" |
| 46 | #include "update_engine/common/platform_constants.h" |
Andrew | e045aef | 2020-01-08 16:29:22 -0800 | [diff] [blame] | 47 | #include "update_engine/common/prefs.h" |
Alex Deymo | 39910dc | 2015-11-09 17:04:30 -0800 | [diff] [blame] | 48 | #include "update_engine/common/prefs_interface.h" |
| 49 | #include "update_engine/common/utils.h" |
Sen Jiang | 255e22b | 2016-05-20 16:15:29 -0700 | [diff] [blame] | 50 | #include "update_engine/connection_manager_interface.h" |
Tianjie Xu | 282aa1f | 2017-09-05 13:42:45 -0700 | [diff] [blame] | 51 | #include "update_engine/metrics_reporter_interface.h" |
Alex Deymo | 38429cf | 2015-11-11 18:27:22 -0800 | [diff] [blame] | 52 | #include "update_engine/metrics_utils.h" |
Amin Hassani | 7fca286 | 2019-03-28 16:09:22 -0700 | [diff] [blame] | 53 | #include "update_engine/omaha_request_builder_xml.h" |
Darin Petkov | a4a8a8c | 2010-07-15 22:21:12 -0700 | [diff] [blame] | 54 | #include "update_engine/omaha_request_params.h" |
David Zeuthen | 8f191b2 | 2013-08-06 12:27:50 -0700 | [diff] [blame] | 55 | #include "update_engine/p2p_manager.h" |
Jay Srinivasan | 55f50c2 | 2013-01-10 19:24:35 -0800 | [diff] [blame] | 56 | #include "update_engine/payload_state_interface.h" |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 57 | |
Darin Petkov | 1cbd78f | 2010-07-29 12:38:34 -0700 | [diff] [blame] | 58 | using base::Time; |
| 59 | using base::TimeDelta; |
Zentaro Kavanagh | 1f899d5 | 2018-02-27 15:02:47 -0800 | [diff] [blame] | 60 | using chromeos_update_manager::kRollforwardInfinity; |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 61 | using std::map; |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 62 | using std::string; |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 63 | using std::vector; |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 64 | |
| 65 | namespace chromeos_update_engine { |
| 66 | |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 67 | // List of custom attributes that we interpret in the Omaha response: |
| 68 | constexpr char kAttrDeadline[] = "deadline"; |
| 69 | constexpr char kAttrDisableP2PForDownloading[] = "DisableP2PForDownloading"; |
| 70 | constexpr char kAttrDisableP2PForSharing[] = "DisableP2PForSharing"; |
| 71 | constexpr char kAttrDisablePayloadBackoff[] = "DisablePayloadBackoff"; |
| 72 | constexpr char kAttrVersion[] = "version"; |
Jay Srinivasan | d671e97 | 2013-01-11 17:17:19 -0800 | [diff] [blame] | 73 | // Deprecated: "IsDelta" |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 74 | constexpr char kAttrIsDeltaPayload[] = "IsDeltaPayload"; |
| 75 | constexpr char kAttrMaxFailureCountPerUrl[] = "MaxFailureCountPerUrl"; |
| 76 | constexpr char kAttrMaxDaysToScatter[] = "MaxDaysToScatter"; |
Jay Srinivasan | 2b5a0f0 | 2012-12-19 17:25:56 -0800 | [diff] [blame] | 77 | // Deprecated: "ManifestSignatureRsa" |
| 78 | // Deprecated: "ManifestSize" |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 79 | constexpr char kAttrMetadataSignatureRsa[] = "MetadataSignatureRsa"; |
| 80 | constexpr char kAttrMetadataSize[] = "MetadataSize"; |
| 81 | constexpr char kAttrMoreInfo[] = "MoreInfo"; |
| 82 | constexpr char kAttrNoUpdate[] = "noupdate"; |
Don Garrett | 42bd3aa | 2013-04-10 18:14:56 -0700 | [diff] [blame] | 83 | // Deprecated: "NeedsAdmin" |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 84 | constexpr char kAttrPollInterval[] = "PollInterval"; |
| 85 | constexpr char kAttrPowerwash[] = "Powerwash"; |
| 86 | constexpr char kAttrPrompt[] = "Prompt"; |
| 87 | constexpr char kAttrPublicKeyRsa[] = "PublicKeyRsa"; |
Jay Srinivasan | 2b5a0f0 | 2012-12-19 17:25:56 -0800 | [diff] [blame] | 88 | |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 89 | // List of attributes that we interpret in the Omaha response: |
| 90 | constexpr char kAttrAppId[] = "appid"; |
| 91 | constexpr char kAttrCodeBase[] = "codebase"; |
| 92 | constexpr char kAttrCohort[] = "cohort"; |
| 93 | constexpr char kAttrCohortHint[] = "cohorthint"; |
| 94 | constexpr char kAttrCohortName[] = "cohortname"; |
| 95 | constexpr char kAttrElapsedDays[] = "elapsed_days"; |
| 96 | constexpr char kAttrElapsedSeconds[] = "elapsed_seconds"; |
| 97 | constexpr char kAttrEvent[] = "event"; |
| 98 | constexpr char kAttrHashSha256[] = "hash_sha256"; |
| 99 | // Deprecated: "hash"; Although we still need to pass it from the server for |
| 100 | // backward compatibility. |
| 101 | constexpr char kAttrName[] = "name"; |
| 102 | // Deprecated: "sha256"; Although we still need to pass it from the server for |
| 103 | // backward compatibility. |
| 104 | constexpr char kAttrSize[] = "size"; |
| 105 | constexpr char kAttrStatus[] = "status"; |
| 106 | |
| 107 | // List of values that we interpret in the Omaha response: |
| 108 | constexpr char kValPostInstall[] = "postinstall"; |
| 109 | constexpr char kValNoUpdate[] = "noupdate"; |
| 110 | |
Alex Deymo | b3fa53b | 2016-04-18 19:57:58 -0700 | [diff] [blame] | 111 | // updatecheck attributes (without the underscore prefix). |
Amin Hassani | 2cbb069 | 2019-10-30 13:36:17 -0700 | [diff] [blame] | 112 | // Deprecated: "eol" |
Jae Hoon Kim | 051627a | 2019-09-03 12:56:32 -0700 | [diff] [blame] | 113 | constexpr char kAttrEolDate[] = "eol_date"; |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 114 | constexpr char kAttrRollback[] = "rollback"; |
| 115 | constexpr char kAttrFirmwareVersion[] = "firmware_version"; |
| 116 | constexpr char kAttrKernelVersion[] = "kernel_version"; |
Alex Deymo | b3fa53b | 2016-04-18 19:57:58 -0700 | [diff] [blame] | 117 | |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 118 | // Struct used for holding data obtained when parsing the XML. |
| 119 | struct OmahaParserData { |
David Zeuthen | f3e2801 | 2014-08-26 18:23:52 -0400 | [diff] [blame] | 120 | explicit OmahaParserData(XML_Parser _xml_parser) : xml_parser(_xml_parser) {} |
| 121 | |
| 122 | // Pointer to the expat XML_Parser object. |
| 123 | XML_Parser xml_parser; |
| 124 | |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 125 | // This is the state of the parser as it's processing the XML. |
| 126 | bool failed = false; |
David Zeuthen | f3e2801 | 2014-08-26 18:23:52 -0400 | [diff] [blame] | 127 | bool entity_decl = false; |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 128 | string current_path; |
| 129 | |
| 130 | // These are the values extracted from the XML. |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 131 | string updatecheck_poll_interval; |
Alex Deymo | b3fa53b | 2016-04-18 19:57:58 -0700 | [diff] [blame] | 132 | map<string, string> updatecheck_attrs; |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 133 | string daystart_elapsed_days; |
| 134 | string daystart_elapsed_seconds; |
Sen Jiang | 0affc2c | 2017-02-10 15:55:05 -0800 | [diff] [blame] | 135 | |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 136 | struct App { |
Aaron Wood | 7dcdedf | 2017-09-06 17:17:41 -0700 | [diff] [blame] | 137 | string id; |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 138 | vector<string> url_codebase; |
| 139 | string manifest_version; |
| 140 | map<string, string> action_postinstall_attrs; |
| 141 | string updatecheck_status; |
Sen Jiang | b1e063a | 2017-09-15 17:44:31 -0700 | [diff] [blame] | 142 | string cohort; |
| 143 | string cohorthint; |
| 144 | string cohortname; |
| 145 | bool cohort_set = false; |
| 146 | bool cohorthint_set = false; |
| 147 | bool cohortname_set = false; |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 148 | |
| 149 | struct Package { |
| 150 | string name; |
| 151 | string size; |
| 152 | string hash; |
| 153 | }; |
| 154 | vector<Package> packages; |
Sen Jiang | 0affc2c | 2017-02-10 15:55:05 -0800 | [diff] [blame] | 155 | }; |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 156 | vector<App> apps; |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 157 | }; |
| 158 | |
| 159 | namespace { |
| 160 | |
| 161 | // Callback function invoked by expat. |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 162 | void ParserHandlerStart(void* user_data, |
| 163 | const XML_Char* element, |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 164 | const XML_Char** attr) { |
| 165 | OmahaParserData* data = reinterpret_cast<OmahaParserData*>(user_data); |
| 166 | |
| 167 | if (data->failed) |
| 168 | return; |
| 169 | |
| 170 | data->current_path += string("/") + element; |
| 171 | |
| 172 | map<string, string> attrs; |
| 173 | if (attr != nullptr) { |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 174 | for (int n = 0; attr[n] != nullptr && attr[n + 1] != nullptr; n += 2) { |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 175 | string key = attr[n]; |
| 176 | string value = attr[n + 1]; |
| 177 | attrs[key] = value; |
| 178 | } |
| 179 | } |
| 180 | |
Alex Deymo | 8e18f93 | 2015-03-27 16:16:59 -0700 | [diff] [blame] | 181 | if (data->current_path == "/response/app") { |
Sen Jiang | b1e063a | 2017-09-15 17:44:31 -0700 | [diff] [blame] | 182 | OmahaParserData::App app; |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 183 | if (attrs.find(kAttrAppId) != attrs.end()) { |
| 184 | app.id = attrs[kAttrAppId]; |
Aaron Wood | 7dcdedf | 2017-09-06 17:17:41 -0700 | [diff] [blame] | 185 | } |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 186 | if (attrs.find(kAttrCohort) != attrs.end()) { |
Sen Jiang | b1e063a | 2017-09-15 17:44:31 -0700 | [diff] [blame] | 187 | app.cohort_set = true; |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 188 | app.cohort = attrs[kAttrCohort]; |
Alex Deymo | 8e18f93 | 2015-03-27 16:16:59 -0700 | [diff] [blame] | 189 | } |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 190 | if (attrs.find(kAttrCohortHint) != attrs.end()) { |
Sen Jiang | b1e063a | 2017-09-15 17:44:31 -0700 | [diff] [blame] | 191 | app.cohorthint_set = true; |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 192 | app.cohorthint = attrs[kAttrCohortHint]; |
Alex Deymo | 8e18f93 | 2015-03-27 16:16:59 -0700 | [diff] [blame] | 193 | } |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 194 | if (attrs.find(kAttrCohortName) != attrs.end()) { |
Sen Jiang | b1e063a | 2017-09-15 17:44:31 -0700 | [diff] [blame] | 195 | app.cohortname_set = true; |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 196 | app.cohortname = attrs[kAttrCohortName]; |
Alex Deymo | 8e18f93 | 2015-03-27 16:16:59 -0700 | [diff] [blame] | 197 | } |
Sen Jiang | b1e063a | 2017-09-15 17:44:31 -0700 | [diff] [blame] | 198 | data->apps.push_back(std::move(app)); |
Alex Deymo | 8e18f93 | 2015-03-27 16:16:59 -0700 | [diff] [blame] | 199 | } else if (data->current_path == "/response/app/updatecheck") { |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 200 | if (!data->apps.empty()) |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 201 | data->apps.back().updatecheck_status = attrs[kAttrStatus]; |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 202 | if (data->updatecheck_poll_interval.empty()) |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 203 | data->updatecheck_poll_interval = attrs[kAttrPollInterval]; |
Alex Deymo | b3fa53b | 2016-04-18 19:57:58 -0700 | [diff] [blame] | 204 | // Omaha sends arbitrary key-value pairs as extra attributes starting with |
| 205 | // an underscore. |
| 206 | for (const auto& attr : attrs) { |
| 207 | if (!attr.first.empty() && attr.first[0] == '_') |
| 208 | data->updatecheck_attrs[attr.first.substr(1)] = attr.second; |
| 209 | } |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 210 | } else if (data->current_path == "/response/daystart") { |
| 211 | // Get the install-date. |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 212 | data->daystart_elapsed_days = attrs[kAttrElapsedDays]; |
| 213 | data->daystart_elapsed_seconds = attrs[kAttrElapsedSeconds]; |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 214 | } else if (data->current_path == "/response/app/updatecheck/urls/url") { |
| 215 | // Look at all <url> elements. |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 216 | if (!data->apps.empty()) |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 217 | data->apps.back().url_codebase.push_back(attrs[kAttrCodeBase]); |
Sen Jiang | 0affc2c | 2017-02-10 15:55:05 -0800 | [diff] [blame] | 218 | } else if (data->current_path == |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 219 | "/response/app/updatecheck/manifest/packages/package") { |
Sen Jiang | 0affc2c | 2017-02-10 15:55:05 -0800 | [diff] [blame] | 220 | // Look at all <package> elements. |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 221 | if (!data->apps.empty()) |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 222 | data->apps.back().packages.push_back({.name = attrs[kAttrName], |
| 223 | .size = attrs[kAttrSize], |
| 224 | .hash = attrs[kAttrHashSha256]}); |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 225 | } else if (data->current_path == "/response/app/updatecheck/manifest") { |
| 226 | // Get the version. |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 227 | if (!data->apps.empty()) |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 228 | data->apps.back().manifest_version = attrs[kAttrVersion]; |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 229 | } else if (data->current_path == |
| 230 | "/response/app/updatecheck/manifest/actions/action") { |
| 231 | // We only care about the postinstall action. |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 232 | if (attrs[kAttrEvent] == kValPostInstall && !data->apps.empty()) { |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 233 | data->apps.back().action_postinstall_attrs = std::move(attrs); |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 234 | } |
| 235 | } |
| 236 | } |
| 237 | |
| 238 | // Callback function invoked by expat. |
| 239 | void ParserHandlerEnd(void* user_data, const XML_Char* element) { |
| 240 | OmahaParserData* data = reinterpret_cast<OmahaParserData*>(user_data); |
| 241 | if (data->failed) |
| 242 | return; |
| 243 | |
| 244 | const string path_suffix = string("/") + element; |
| 245 | |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 246 | if (!base::EndsWith( |
| 247 | data->current_path, path_suffix, base::CompareCase::SENSITIVE)) { |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 248 | LOG(ERROR) << "Unexpected end element '" << element |
| 249 | << "' with current_path='" << data->current_path << "'"; |
| 250 | data->failed = true; |
| 251 | return; |
| 252 | } |
| 253 | data->current_path.resize(data->current_path.size() - path_suffix.size()); |
| 254 | } |
| 255 | |
David Zeuthen | f3e2801 | 2014-08-26 18:23:52 -0400 | [diff] [blame] | 256 | // Callback function invoked by expat. |
| 257 | // |
| 258 | // This is called for entity declarations. Since Omaha is guaranteed |
| 259 | // to never return any XML with entities our course of action is to |
| 260 | // just stop parsing. This avoids potential resource exhaustion |
| 261 | // problems AKA the "billion laughs". CVE-2013-0340. |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 262 | void ParserHandlerEntityDecl(void* user_data, |
| 263 | const XML_Char* entity_name, |
David Zeuthen | f3e2801 | 2014-08-26 18:23:52 -0400 | [diff] [blame] | 264 | int is_parameter_entity, |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 265 | const XML_Char* value, |
David Zeuthen | f3e2801 | 2014-08-26 18:23:52 -0400 | [diff] [blame] | 266 | int value_length, |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 267 | const XML_Char* base, |
| 268 | const XML_Char* system_id, |
| 269 | const XML_Char* public_id, |
| 270 | const XML_Char* notation_name) { |
David Zeuthen | f3e2801 | 2014-08-26 18:23:52 -0400 | [diff] [blame] | 271 | OmahaParserData* data = reinterpret_cast<OmahaParserData*>(user_data); |
| 272 | |
| 273 | LOG(ERROR) << "XML entities are not supported. Aborting parsing."; |
| 274 | data->failed = true; |
| 275 | data->entity_decl = true; |
| 276 | XML_StopParser(data->xml_parser, false); |
| 277 | } |
| 278 | |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 279 | } // namespace |
| 280 | |
Alex Deymo | c1c17b4 | 2015-11-23 03:53:15 -0300 | [diff] [blame] | 281 | OmahaRequestAction::OmahaRequestAction( |
| 282 | SystemState* system_state, |
| 283 | OmahaEvent* event, |
| 284 | std::unique_ptr<HttpFetcher> http_fetcher, |
Jae Hoon Kim | edb6550 | 2019-06-14 11:52:17 -0700 | [diff] [blame] | 285 | bool ping_only, |
| 286 | const string& session_id) |
Jay Srinivasan | 6f6ea00 | 2012-12-14 11:26:28 -0800 | [diff] [blame] | 287 | : system_state_(system_state), |
Zentaro Kavanagh | 1f899d5 | 2018-02-27 15:02:47 -0800 | [diff] [blame] | 288 | params_(system_state->request_params()), |
Darin Petkov | a4a8a8c | 2010-07-15 22:21:12 -0700 | [diff] [blame] | 289 | event_(event), |
Alex Deymo | c1c17b4 | 2015-11-23 03:53:15 -0300 | [diff] [blame] | 290 | http_fetcher_(std::move(http_fetcher)), |
Zentaro Kavanagh | 1f899d5 | 2018-02-27 15:02:47 -0800 | [diff] [blame] | 291 | policy_provider_(std::make_unique<policy::PolicyProvider>()), |
Thieu Le | 116fda3 | 2011-04-19 11:01:54 -0700 | [diff] [blame] | 292 | ping_only_(ping_only), |
Darin Petkov | 1cbd78f | 2010-07-29 12:38:34 -0700 | [diff] [blame] | 293 | ping_active_days_(0), |
Jae Hoon Kim | edb6550 | 2019-06-14 11:52:17 -0700 | [diff] [blame] | 294 | ping_roll_call_days_(0), |
| 295 | session_id_(session_id) { |
Zentaro Kavanagh | 1f899d5 | 2018-02-27 15:02:47 -0800 | [diff] [blame] | 296 | policy_provider_->Reload(); |
Jay Srinivasan | ae4697c | 2013-03-18 17:08:08 -0700 | [diff] [blame] | 297 | } |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 298 | |
Darin Petkov | 6a5b322 | 2010-07-13 14:55:28 -0700 | [diff] [blame] | 299 | OmahaRequestAction::~OmahaRequestAction() {} |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 300 | |
Darin Petkov | 1cbd78f | 2010-07-29 12:38:34 -0700 | [diff] [blame] | 301 | // Calculates the value to use for the ping days parameter. |
| 302 | int OmahaRequestAction::CalculatePingDays(const string& key) { |
Andrew | e045aef | 2020-01-08 16:29:22 -0800 | [diff] [blame] | 303 | int days = kPingNeverPinged; |
Darin Petkov | 1cbd78f | 2010-07-29 12:38:34 -0700 | [diff] [blame] | 304 | int64_t last_ping = 0; |
Jay Srinivasan | 6f6ea00 | 2012-12-14 11:26:28 -0800 | [diff] [blame] | 305 | if (system_state_->prefs()->GetInt64(key, &last_ping) && last_ping >= 0) { |
Darin Petkov | 1cbd78f | 2010-07-29 12:38:34 -0700 | [diff] [blame] | 306 | days = (Time::Now() - Time::FromInternalValue(last_ping)).InDays(); |
| 307 | if (days < 0) { |
| 308 | // If |days| is negative, then the system clock must have jumped |
| 309 | // back in time since the ping was sent. Mark the value so that |
| 310 | // it doesn't get sent to the server but we still update the |
| 311 | // last ping daystart preference. This way the next ping time |
| 312 | // will be correct, hopefully. |
| 313 | days = kPingTimeJump; |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 314 | LOG(WARNING) |
| 315 | << "System clock jumped back in time. Resetting ping daystarts."; |
Darin Petkov | 1cbd78f | 2010-07-29 12:38:34 -0700 | [diff] [blame] | 316 | } |
| 317 | } |
| 318 | return days; |
| 319 | } |
| 320 | |
| 321 | void OmahaRequestAction::InitPingDays() { |
| 322 | // We send pings only along with update checks, not with events. |
| 323 | if (IsEvent()) { |
| 324 | return; |
| 325 | } |
| 326 | // TODO(petkov): Figure a way to distinguish active use pings |
| 327 | // vs. roll call pings. Currently, the two pings are identical. A |
Alex Deymo | ebbe7ef | 2014-10-30 13:02:49 -0700 | [diff] [blame] | 328 | // fix needs to change this code as well as UpdateLastPingDays and ShouldPing. |
Darin Petkov | 1cbd78f | 2010-07-29 12:38:34 -0700 | [diff] [blame] | 329 | ping_active_days_ = CalculatePingDays(kPrefsLastActivePingDay); |
| 330 | ping_roll_call_days_ = CalculatePingDays(kPrefsLastRollCallPingDay); |
| 331 | } |
| 332 | |
Alex Deymo | ebbe7ef | 2014-10-30 13:02:49 -0700 | [diff] [blame] | 333 | bool OmahaRequestAction::ShouldPing() const { |
Andrew | e045aef | 2020-01-08 16:29:22 -0800 | [diff] [blame] | 334 | if (ping_active_days_ == kPingNeverPinged && |
| 335 | ping_roll_call_days_ == kPingNeverPinged) { |
Alex Deymo | ebbe7ef | 2014-10-30 13:02:49 -0700 | [diff] [blame] | 336 | int powerwash_count = system_state_->hardware()->GetPowerwashCount(); |
| 337 | if (powerwash_count > 0) { |
| 338 | LOG(INFO) << "Not sending ping with a=-1 r=-1 to omaha because " |
| 339 | << "powerwash_count is " << powerwash_count; |
| 340 | return false; |
| 341 | } |
Amin Hassani | 1677e81 | 2017-06-21 13:36:36 -0700 | [diff] [blame] | 342 | if (system_state_->hardware()->GetFirstActiveOmahaPingSent()) { |
| 343 | LOG(INFO) << "Not sending ping with a=-1 r=-1 to omaha because " |
| 344 | << "the first_active_omaha_ping_sent is true"; |
| 345 | return false; |
| 346 | } |
Alex Deymo | ebbe7ef | 2014-10-30 13:02:49 -0700 | [diff] [blame] | 347 | return true; |
| 348 | } |
| 349 | return ping_active_days_ > 0 || ping_roll_call_days_ > 0; |
| 350 | } |
| 351 | |
David Zeuthen | 639aa36 | 2014-02-03 16:23:44 -0800 | [diff] [blame] | 352 | // static |
| 353 | int OmahaRequestAction::GetInstallDate(SystemState* system_state) { |
| 354 | PrefsInterface* prefs = system_state->prefs(); |
Alex Vakulenko | 88b591f | 2014-08-28 16:48:57 -0700 | [diff] [blame] | 355 | if (prefs == nullptr) |
David Zeuthen | 639aa36 | 2014-02-03 16:23:44 -0800 | [diff] [blame] | 356 | return -1; |
| 357 | |
| 358 | // If we have the value stored on disk, just return it. |
| 359 | int64_t stored_value; |
| 360 | if (prefs->GetInt64(kPrefsInstallDateDays, &stored_value)) { |
| 361 | // Convert and sanity-check. |
| 362 | int install_date_days = static_cast<int>(stored_value); |
| 363 | if (install_date_days >= 0) |
| 364 | return install_date_days; |
| 365 | LOG(ERROR) << "Dropping stored Omaha InstallData since its value num_days=" |
| 366 | << install_date_days << " looks suspicious."; |
| 367 | prefs->Delete(kPrefsInstallDateDays); |
| 368 | } |
| 369 | |
| 370 | // Otherwise, if OOBE is not complete then do nothing and wait for |
| 371 | // ParseResponse() to call ParseInstallDate() and then |
| 372 | // PersistInstallDate() to set the kPrefsInstallDateDays state |
| 373 | // variable. Once that is done, we'll then report back in future |
| 374 | // Omaha requests. This works exactly because OOBE triggers an |
| 375 | // update check. |
| 376 | // |
| 377 | // However, if OOBE is complete and the kPrefsInstallDateDays state |
| 378 | // variable is not set, there are two possibilities |
| 379 | // |
| 380 | // 1. The update check in OOBE failed so we never got a response |
| 381 | // from Omaha (no network etc.); or |
| 382 | // |
| 383 | // 2. OOBE was done on an older version that didn't write to the |
| 384 | // kPrefsInstallDateDays state variable. |
| 385 | // |
| 386 | // In both cases, we approximate the install date by simply |
| 387 | // inspecting the timestamp of when OOBE happened. |
| 388 | |
| 389 | Time time_of_oobe; |
Alex Deymo | 46a9aae | 2016-05-04 20:20:11 -0700 | [diff] [blame] | 390 | if (!system_state->hardware()->IsOOBEEnabled() || |
| 391 | !system_state->hardware()->IsOOBEComplete(&time_of_oobe)) { |
David Zeuthen | 639aa36 | 2014-02-03 16:23:44 -0800 | [diff] [blame] | 392 | LOG(INFO) << "Not generating Omaha InstallData as we have " |
Alex Deymo | 46a9aae | 2016-05-04 20:20:11 -0700 | [diff] [blame] | 393 | << "no prefs file and OOBE is not complete or not enabled."; |
David Zeuthen | 639aa36 | 2014-02-03 16:23:44 -0800 | [diff] [blame] | 394 | return -1; |
| 395 | } |
| 396 | |
| 397 | int num_days; |
| 398 | if (!utils::ConvertToOmahaInstallDate(time_of_oobe, &num_days)) { |
| 399 | LOG(ERROR) << "Not generating Omaha InstallData from time of OOBE " |
| 400 | << "as its value '" << utils::ToString(time_of_oobe) |
| 401 | << "' looks suspicious."; |
| 402 | return -1; |
| 403 | } |
| 404 | |
| 405 | // Persist this to disk, for future use. |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 406 | if (!OmahaRequestAction::PersistInstallDate( |
| 407 | system_state, num_days, kProvisionedFromOOBEMarker)) |
David Zeuthen | 639aa36 | 2014-02-03 16:23:44 -0800 | [diff] [blame] | 408 | return -1; |
| 409 | |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 410 | LOG(INFO) << "Set the Omaha InstallDate from OOBE time-stamp to " << num_days |
| 411 | << " days"; |
David Zeuthen | 639aa36 | 2014-02-03 16:23:44 -0800 | [diff] [blame] | 412 | |
| 413 | return num_days; |
| 414 | } |
| 415 | |
Andrew | e045aef | 2020-01-08 16:29:22 -0800 | [diff] [blame] | 416 | void OmahaRequestAction::StorePingReply( |
| 417 | const OmahaParserData& parser_data) const { |
| 418 | for (const auto& app : parser_data.apps) { |
| 419 | auto it = params_->dlc_apps_params().find(app.id); |
| 420 | if (it == params_->dlc_apps_params().end()) |
| 421 | continue; |
| 422 | |
| 423 | const OmahaRequestParams::AppParams& dlc_params = it->second; |
| 424 | |
| 425 | // Skip if the ping for this DLC was not sent. |
| 426 | if (!dlc_params.send_ping) |
| 427 | continue; |
| 428 | |
| 429 | base::FilePath metadata_path = |
| 430 | base::FilePath(params_->dlc_prefs_root()).Append(dlc_params.name); |
Andrew | e045aef | 2020-01-08 16:29:22 -0800 | [diff] [blame] | 431 | |
| 432 | Prefs prefs; |
Andrew | a8d7df3 | 2020-03-15 20:10:01 -0700 | [diff] [blame] | 433 | if (!base::CreateDirectory(metadata_path) || !prefs.Init(metadata_path)) { |
Andrew | e045aef | 2020-01-08 16:29:22 -0800 | [diff] [blame] | 434 | LOG(ERROR) << "Failed to initialize the preferences path:" |
| 435 | << metadata_path.value() << "."; |
| 436 | continue; |
| 437 | } |
| 438 | // Reset the active metadata value to |kPingInactiveValue|. |
Andrew | a8d7df3 | 2020-03-15 20:10:01 -0700 | [diff] [blame] | 439 | if (!prefs.SetInt64(kPrefsPingActive, kPingInactiveValue)) |
Andrew | e045aef | 2020-01-08 16:29:22 -0800 | [diff] [blame] | 440 | LOG(ERROR) << "Failed to set the value of ping metadata '" |
| 441 | << kPrefsPingActive << "'."; |
| 442 | |
| 443 | if (!prefs.SetString(kPrefsPingLastRollcall, |
| 444 | parser_data.daystart_elapsed_days)) |
| 445 | LOG(ERROR) << "Failed to set the value of ping metadata '" |
| 446 | << kPrefsPingLastRollcall << "'."; |
| 447 | |
| 448 | if (dlc_params.ping_active) { |
| 449 | // Write the value of elapsed_days into |kPrefsPingLastActive| only if |
| 450 | // the previous ping was an active one. |
| 451 | if (!prefs.SetString(kPrefsPingLastActive, |
| 452 | parser_data.daystart_elapsed_days)) |
| 453 | LOG(ERROR) << "Failed to set the value of ping metadata '" |
| 454 | << kPrefsPingLastActive << "'."; |
| 455 | } |
| 456 | } |
| 457 | } |
| 458 | |
Darin Petkov | 6a5b322 | 2010-07-13 14:55:28 -0700 | [diff] [blame] | 459 | void OmahaRequestAction::PerformAction() { |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 460 | http_fetcher_->set_delegate(this); |
Darin Petkov | 1cbd78f | 2010-07-29 12:38:34 -0700 | [diff] [blame] | 461 | InitPingDays(); |
Alex Deymo | ebbe7ef | 2014-10-30 13:02:49 -0700 | [diff] [blame] | 462 | if (ping_only_ && !ShouldPing()) { |
Gilad Arnold | d1c4d2d | 2014-06-05 14:07:53 -0700 | [diff] [blame] | 463 | processor_->ActionComplete(this, ErrorCode::kSuccess); |
Thieu Le | b44e9e8 | 2011-06-06 14:34:04 -0700 | [diff] [blame] | 464 | return; |
| 465 | } |
David Zeuthen | 639aa36 | 2014-02-03 16:23:44 -0800 | [diff] [blame] | 466 | |
Jae Hoon Kim | b7ee387 | 2019-06-06 14:59:03 -0700 | [diff] [blame] | 467 | OmahaRequestBuilderXml omaha_request(event_.get(), |
| 468 | params_, |
| 469 | ping_only_, |
| 470 | ShouldPing(), // include_ping |
| 471 | ping_active_days_, |
| 472 | ping_roll_call_days_, |
| 473 | GetInstallDate(system_state_), |
Jae Hoon Kim | edb6550 | 2019-06-14 11:52:17 -0700 | [diff] [blame] | 474 | system_state_->prefs(), |
| 475 | session_id_); |
Jae Hoon Kim | b7ee387 | 2019-06-06 14:59:03 -0700 | [diff] [blame] | 476 | string request_post = omaha_request.GetRequest(); |
Jay Srinivasan | 0a70874 | 2012-03-20 11:26:12 -0700 | [diff] [blame] | 477 | |
Sen Jiang | 42fa45e | 2018-03-12 11:02:14 -0700 | [diff] [blame] | 478 | // Set X-Goog-Update headers. |
Alex Deymo | 14ad88e | 2016-06-29 12:30:14 -0700 | [diff] [blame] | 479 | http_fetcher_->SetHeader(kXGoogleUpdateInteractivity, |
| 480 | params_->interactive() ? "fg" : "bg"); |
| 481 | http_fetcher_->SetHeader(kXGoogleUpdateAppId, params_->GetAppId()); |
| 482 | http_fetcher_->SetHeader( |
| 483 | kXGoogleUpdateUpdater, |
| 484 | base::StringPrintf( |
| 485 | "%s-%s", constants::kOmahaUpdaterID, kOmahaUpdaterVersion)); |
| 486 | |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 487 | http_fetcher_->SetPostData( |
| 488 | request_post.data(), request_post.size(), kHttpContentTypeTextXml); |
Jay Srinivasan | ae4697c | 2013-03-18 17:08:08 -0700 | [diff] [blame] | 489 | LOG(INFO) << "Posting an Omaha request to " << params_->update_url(); |
Andrew de los Reyes | f98bff8 | 2010-05-06 13:33:25 -0700 | [diff] [blame] | 490 | LOG(INFO) << "Request: " << request_post; |
Jay Srinivasan | ae4697c | 2013-03-18 17:08:08 -0700 | [diff] [blame] | 491 | http_fetcher_->BeginTransfer(params_->update_url()); |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 492 | } |
| 493 | |
Darin Petkov | 6a5b322 | 2010-07-13 14:55:28 -0700 | [diff] [blame] | 494 | void OmahaRequestAction::TerminateProcessing() { |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 495 | http_fetcher_->TerminateTransfer(); |
| 496 | } |
| 497 | |
| 498 | // We just store the response in the buffer. Once we've received all bytes, |
| 499 | // we'll look in the buffer and decide what to do. |
Amin Hassani | 0cd9d77 | 2018-07-31 23:55:43 -0700 | [diff] [blame] | 500 | bool OmahaRequestAction::ReceivedBytes(HttpFetcher* fetcher, |
Alex Vakulenko | f68bbbc | 2015-02-09 12:53:18 -0800 | [diff] [blame] | 501 | const void* bytes, |
| 502 | size_t length) { |
| 503 | const uint8_t* byte_ptr = reinterpret_cast<const uint8_t*>(bytes); |
| 504 | response_buffer_.insert(response_buffer_.end(), byte_ptr, byte_ptr + length); |
Amin Hassani | 0cd9d77 | 2018-07-31 23:55:43 -0700 | [diff] [blame] | 505 | return true; |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 506 | } |
| 507 | |
| 508 | namespace { |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 509 | |
| 510 | // Parses a 64 bit base-10 int from a string and returns it. Returns 0 |
| 511 | // on error. If the string contains "0", that's indistinguishable from |
| 512 | // error. |
| 513 | off_t ParseInt(const string& str) { |
| 514 | off_t ret = 0; |
Gilad Arnold | ec7f916 | 2014-07-15 13:24:46 -0700 | [diff] [blame] | 515 | int rc = sscanf(str.c_str(), "%" PRIi64, &ret); // NOLINT(runtime/printf) |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 516 | if (rc < 1) { |
| 517 | // failure |
| 518 | return 0; |
| 519 | } |
| 520 | return ret; |
| 521 | } |
Darin Petkov | 1cbd78f | 2010-07-29 12:38:34 -0700 | [diff] [blame] | 522 | |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 523 | // Parses |str| and returns |true| if, and only if, its value is "true". |
| 524 | bool ParseBool(const string& str) { |
| 525 | return str == "true"; |
| 526 | } |
| 527 | |
Darin Petkov | 1cbd78f | 2010-07-29 12:38:34 -0700 | [diff] [blame] | 528 | // Update the last ping day preferences based on the server daystart |
| 529 | // response. Returns true on success, false otherwise. |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 530 | bool UpdateLastPingDays(OmahaParserData* parser_data, PrefsInterface* prefs) { |
Darin Petkov | 1cbd78f | 2010-07-29 12:38:34 -0700 | [diff] [blame] | 531 | int64_t elapsed_seconds = 0; |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 532 | TEST_AND_RETURN_FALSE(base::StringToInt64( |
| 533 | parser_data->daystart_elapsed_seconds, &elapsed_seconds)); |
Darin Petkov | 1cbd78f | 2010-07-29 12:38:34 -0700 | [diff] [blame] | 534 | TEST_AND_RETURN_FALSE(elapsed_seconds >= 0); |
| 535 | |
| 536 | // Remember the local time that matches the server's last midnight |
| 537 | // time. |
| 538 | Time daystart = Time::Now() - TimeDelta::FromSeconds(elapsed_seconds); |
| 539 | prefs->SetInt64(kPrefsLastActivePingDay, daystart.ToInternalValue()); |
| 540 | prefs->SetInt64(kPrefsLastRollCallPingDay, daystart.ToInternalValue()); |
| 541 | return true; |
| 542 | } |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 543 | |
| 544 | // Parses the package node in the given XML document and populates |
| 545 | // |output_object| if valid. Returns true if we should continue the parsing. |
| 546 | // False otherwise, in which case it sets any error code using |completer|. |
| 547 | bool ParsePackage(OmahaParserData::App* app, |
| 548 | OmahaResponse* output_object, |
| 549 | ScopedActionCompleter* completer) { |
Xiaochu Liu | 6310be6 | 2018-10-11 15:09:03 -0700 | [diff] [blame] | 550 | if (app->updatecheck_status.empty() || |
| 551 | app->updatecheck_status == kValNoUpdate) { |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 552 | if (!app->packages.empty()) { |
| 553 | LOG(ERROR) << "No update in this <app> but <package> is not empty."; |
| 554 | completer->set_code(ErrorCode::kOmahaResponseInvalid); |
| 555 | return false; |
| 556 | } |
| 557 | return true; |
| 558 | } |
| 559 | if (app->packages.empty()) { |
| 560 | LOG(ERROR) << "Omaha Response has no packages"; |
| 561 | completer->set_code(ErrorCode::kOmahaResponseInvalid); |
| 562 | return false; |
| 563 | } |
| 564 | if (app->url_codebase.empty()) { |
| 565 | LOG(ERROR) << "No Omaha Response URLs"; |
| 566 | completer->set_code(ErrorCode::kOmahaResponseInvalid); |
| 567 | return false; |
| 568 | } |
| 569 | LOG(INFO) << "Found " << app->url_codebase.size() << " url(s)"; |
| 570 | vector<string> metadata_sizes = |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 571 | base::SplitString(app->action_postinstall_attrs[kAttrMetadataSize], |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 572 | ":", |
| 573 | base::TRIM_WHITESPACE, |
| 574 | base::SPLIT_WANT_ALL); |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 575 | vector<string> metadata_signatures = base::SplitString( |
| 576 | app->action_postinstall_attrs[kAttrMetadataSignatureRsa], |
| 577 | ":", |
| 578 | base::TRIM_WHITESPACE, |
| 579 | base::SPLIT_WANT_ALL); |
Sen Jiang | cdd5206 | 2017-05-18 15:33:10 -0700 | [diff] [blame] | 580 | vector<string> is_delta_payloads = |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 581 | base::SplitString(app->action_postinstall_attrs[kAttrIsDeltaPayload], |
Sen Jiang | cdd5206 | 2017-05-18 15:33:10 -0700 | [diff] [blame] | 582 | ":", |
| 583 | base::TRIM_WHITESPACE, |
| 584 | base::SPLIT_WANT_ALL); |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 585 | for (size_t i = 0; i < app->packages.size(); i++) { |
| 586 | const auto& package = app->packages[i]; |
| 587 | if (package.name.empty()) { |
| 588 | LOG(ERROR) << "Omaha Response has empty package name"; |
| 589 | completer->set_code(ErrorCode::kOmahaResponseInvalid); |
| 590 | return false; |
| 591 | } |
| 592 | LOG(INFO) << "Found package " << package.name; |
| 593 | |
| 594 | OmahaResponse::Package out_package; |
| 595 | for (const string& codebase : app->url_codebase) { |
| 596 | if (codebase.empty()) { |
| 597 | LOG(ERROR) << "Omaha Response URL has empty codebase"; |
| 598 | completer->set_code(ErrorCode::kOmahaResponseInvalid); |
| 599 | return false; |
| 600 | } |
| 601 | out_package.payload_urls.push_back(codebase + package.name); |
| 602 | } |
| 603 | // Parse the payload size. |
| 604 | base::StringToUint64(package.size, &out_package.size); |
| 605 | if (out_package.size <= 0) { |
| 606 | LOG(ERROR) << "Omaha Response has invalid payload size: " << package.size; |
| 607 | completer->set_code(ErrorCode::kOmahaResponseInvalid); |
| 608 | return false; |
| 609 | } |
| 610 | LOG(INFO) << "Payload size = " << out_package.size << " bytes"; |
| 611 | |
| 612 | if (i < metadata_sizes.size()) |
| 613 | base::StringToUint64(metadata_sizes[i], &out_package.metadata_size); |
| 614 | LOG(INFO) << "Payload metadata size = " << out_package.metadata_size |
| 615 | << " bytes"; |
| 616 | |
| 617 | if (i < metadata_signatures.size()) |
| 618 | out_package.metadata_signature = metadata_signatures[i]; |
| 619 | LOG(INFO) << "Payload metadata signature = " |
| 620 | << out_package.metadata_signature; |
| 621 | |
| 622 | out_package.hash = package.hash; |
| 623 | if (out_package.hash.empty()) { |
| 624 | LOG(ERROR) << "Omaha Response has empty hash_sha256 value"; |
| 625 | completer->set_code(ErrorCode::kOmahaResponseInvalid); |
| 626 | return false; |
| 627 | } |
| 628 | LOG(INFO) << "Payload hash = " << out_package.hash; |
Sen Jiang | cdd5206 | 2017-05-18 15:33:10 -0700 | [diff] [blame] | 629 | |
| 630 | if (i < is_delta_payloads.size()) |
| 631 | out_package.is_delta = ParseBool(is_delta_payloads[i]); |
| 632 | LOG(INFO) << "Payload is delta = " << utils::ToString(out_package.is_delta); |
| 633 | |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 634 | output_object->packages.push_back(std::move(out_package)); |
| 635 | } |
| 636 | |
| 637 | return true; |
| 638 | } |
| 639 | |
Zentaro Kavanagh | 0ff621c | 2018-07-13 13:06:56 -0700 | [diff] [blame] | 640 | // Parses the 2 key version strings kernel_version and firmware_version. If the |
| 641 | // field is not present, or cannot be parsed the values default to 0xffff. |
Zentaro Kavanagh | 0ef9a2f | 2018-07-02 12:05:07 -0700 | [diff] [blame] | 642 | void ParseRollbackVersions(int allowed_milestones, |
| 643 | OmahaParserData* parser_data, |
Zentaro Kavanagh | 0ff621c | 2018-07-13 13:06:56 -0700 | [diff] [blame] | 644 | OmahaResponse* output_object) { |
| 645 | utils::ParseRollbackKeyVersion( |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 646 | parser_data->updatecheck_attrs[kAttrFirmwareVersion], |
Zentaro Kavanagh | 0ff621c | 2018-07-13 13:06:56 -0700 | [diff] [blame] | 647 | &output_object->rollback_key_version.firmware_key, |
| 648 | &output_object->rollback_key_version.firmware); |
| 649 | utils::ParseRollbackKeyVersion( |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 650 | parser_data->updatecheck_attrs[kAttrKernelVersion], |
Zentaro Kavanagh | 0ff621c | 2018-07-13 13:06:56 -0700 | [diff] [blame] | 651 | &output_object->rollback_key_version.kernel_key, |
| 652 | &output_object->rollback_key_version.kernel); |
Zentaro Kavanagh | 0ef9a2f | 2018-07-02 12:05:07 -0700 | [diff] [blame] | 653 | |
| 654 | // Create the attribute name strings for milestone N - allowed_milestones. |
| 655 | const string firmware_max_rollforward_attr = |
| 656 | base::StringPrintf("%s_%i", kAttrFirmwareVersion, allowed_milestones); |
| 657 | const string kernel_max_rollforward_attr = |
| 658 | base::StringPrintf("%s_%i", kAttrKernelVersion, allowed_milestones); |
| 659 | |
| 660 | const bool max_firmware_and_kernel_exist = |
| 661 | parser_data->updatecheck_attrs.count(firmware_max_rollforward_attr) > 0 && |
| 662 | parser_data->updatecheck_attrs.count(kernel_max_rollforward_attr) > 0; |
| 663 | |
| 664 | string firmware_version; |
| 665 | string kernel_version; |
| 666 | if (max_firmware_and_kernel_exist) { |
| 667 | firmware_version = |
| 668 | parser_data->updatecheck_attrs[firmware_max_rollforward_attr]; |
| 669 | kernel_version = |
| 670 | parser_data->updatecheck_attrs[kernel_max_rollforward_attr]; |
| 671 | } |
| 672 | |
| 673 | LOG(INFO) << "For milestone N-" << allowed_milestones |
| 674 | << " firmware_key_version=" << firmware_version |
| 675 | << " kernel_key_version=" << kernel_version; |
| 676 | |
| 677 | OmahaResponse::RollbackKeyVersion version; |
| 678 | utils::ParseRollbackKeyVersion( |
| 679 | firmware_version, &version.firmware_key, &version.firmware); |
| 680 | utils::ParseRollbackKeyVersion( |
| 681 | kernel_version, &version.kernel_key, &version.kernel); |
| 682 | |
| 683 | output_object->past_rollback_key_version = std::move(version); |
Zentaro Kavanagh | 0ff621c | 2018-07-13 13:06:56 -0700 | [diff] [blame] | 684 | } |
| 685 | |
Alex Vakulenko | d2779df | 2014-06-16 13:19:00 -0700 | [diff] [blame] | 686 | } // namespace |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 687 | |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 688 | bool OmahaRequestAction::ParseResponse(OmahaParserData* parser_data, |
Jay Srinivasan | 23b92a5 | 2012-10-27 02:00:21 -0700 | [diff] [blame] | 689 | OmahaResponse* output_object, |
| 690 | ScopedActionCompleter* completer) { |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 691 | if (parser_data->apps.empty()) { |
Gilad Arnold | d1c4d2d | 2014-06-05 14:07:53 -0700 | [diff] [blame] | 692 | completer->set_code(ErrorCode::kOmahaResponseInvalid); |
Jay Srinivasan | 23b92a5 | 2012-10-27 02:00:21 -0700 | [diff] [blame] | 693 | return false; |
| 694 | } |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 695 | LOG(INFO) << "Found " << parser_data->apps.size() << " <app>."; |
Jay Srinivasan | 23b92a5 | 2012-10-27 02:00:21 -0700 | [diff] [blame] | 696 | |
Jay Srinivasan | 6f6ea00 | 2012-12-14 11:26:28 -0800 | [diff] [blame] | 697 | // chromium-os:37289: The PollInterval is not supported by Omaha server |
| 698 | // currently. But still keeping this existing code in case we ever decide to |
Gilad Arnold | ec7f916 | 2014-07-15 13:24:46 -0700 | [diff] [blame] | 699 | // slow down the request rate from the server-side. Note that the PollInterval |
| 700 | // is not persisted, so it has to be sent by the server on every response to |
| 701 | // guarantee that the scheduler uses this value (otherwise, if the device got |
| 702 | // rebooted after the last server-indicated value, it'll revert to the default |
| 703 | // value). Also kDefaultMaxUpdateChecks value for the scattering logic is |
| 704 | // based on the assumption that we perform an update check every hour so that |
| 705 | // the max value of 8 will roughly be equivalent to one work day. If we decide |
| 706 | // to use PollInterval permanently, we should update the |
| 707 | // max_update_checks_allowed to take PollInterval into account. Note: The |
| 708 | // parsing for PollInterval happens even before parsing of the status because |
| 709 | // we may want to specify the PollInterval even when there's no update. |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 710 | base::StringToInt(parser_data->updatecheck_poll_interval, |
Jay Srinivasan | 23b92a5 | 2012-10-27 02:00:21 -0700 | [diff] [blame] | 711 | &output_object->poll_interval); |
| 712 | |
David Zeuthen | 639aa36 | 2014-02-03 16:23:44 -0800 | [diff] [blame] | 713 | // Check for the "elapsed_days" attribute in the "daystart" |
| 714 | // element. This is the number of days since Jan 1 2007, 0:00 |
| 715 | // PST. If we don't have a persisted value of the Omaha InstallDate, |
| 716 | // we'll use it to calculate it and then persist it. |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 717 | if (ParseInstallDate(parser_data, output_object) && |
| 718 | !HasInstallDate(system_state_)) { |
David Zeuthen | 639aa36 | 2014-02-03 16:23:44 -0800 | [diff] [blame] | 719 | // Since output_object->install_date_days is never negative, the |
| 720 | // elapsed_days -> install-date calculation is reduced to simply |
| 721 | // rounding down to the nearest number divisible by 7. |
| 722 | int remainder = output_object->install_date_days % 7; |
| 723 | int install_date_days_rounded = |
| 724 | output_object->install_date_days - remainder; |
| 725 | if (PersistInstallDate(system_state_, |
| 726 | install_date_days_rounded, |
| 727 | kProvisionedFromOmahaResponse)) { |
| 728 | LOG(INFO) << "Set the Omaha InstallDate from Omaha Response to " |
| 729 | << install_date_days_rounded << " days"; |
| 730 | } |
| 731 | } |
| 732 | |
Alex Deymo | 00d79ac | 2015-06-29 15:41:49 -0700 | [diff] [blame] | 733 | // We persist the cohorts sent by omaha even if the status is "noupdate". |
Sen Jiang | b1e063a | 2017-09-15 17:44:31 -0700 | [diff] [blame] | 734 | for (const auto& app : parser_data->apps) { |
| 735 | if (app.id == params_->GetAppId()) { |
| 736 | if (app.cohort_set) |
| 737 | PersistCohortData(kPrefsOmahaCohort, app.cohort); |
| 738 | if (app.cohorthint_set) |
| 739 | PersistCohortData(kPrefsOmahaCohortHint, app.cohorthint); |
| 740 | if (app.cohortname_set) |
| 741 | PersistCohortData(kPrefsOmahaCohortName, app.cohortname); |
| 742 | break; |
| 743 | } |
| 744 | } |
Alex Deymo | 00d79ac | 2015-06-29 15:41:49 -0700 | [diff] [blame] | 745 | |
Amin Hassani | 2cbb069 | 2019-10-30 13:36:17 -0700 | [diff] [blame] | 746 | PersistEolInfo(parser_data->updatecheck_attrs); |
| 747 | |
Marton Hunyady | 199152d | 2018-05-07 19:08:48 +0200 | [diff] [blame] | 748 | // Rollback-related updatecheck attributes. |
| 749 | // Defaults to false if attribute is not present. |
| 750 | output_object->is_rollback = |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 751 | ParseBool(parser_data->updatecheck_attrs[kAttrRollback]); |
Zentaro Kavanagh | 0ff621c | 2018-07-13 13:06:56 -0700 | [diff] [blame] | 752 | |
| 753 | // Parses the rollback versions of the current image. If the fields do not |
| 754 | // exist they default to 0xffff for the 4 key versions. |
Zentaro Kavanagh | 0ef9a2f | 2018-07-02 12:05:07 -0700 | [diff] [blame] | 755 | ParseRollbackVersions( |
| 756 | params_->rollback_allowed_milestones(), parser_data, output_object); |
Alex Deymo | b3fa53b | 2016-04-18 19:57:58 -0700 | [diff] [blame] | 757 | |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 758 | if (!ParseStatus(parser_data, output_object, completer)) |
Jay Srinivasan | 23b92a5 | 2012-10-27 02:00:21 -0700 | [diff] [blame] | 759 | return false; |
| 760 | |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 761 | if (!ParseParams(parser_data, output_object, completer)) |
Jay Srinivasan | 23b92a5 | 2012-10-27 02:00:21 -0700 | [diff] [blame] | 762 | return false; |
| 763 | |
Sen Jiang | 0affc2c | 2017-02-10 15:55:05 -0800 | [diff] [blame] | 764 | // Package has to be parsed after Params now because ParseParams need to make |
| 765 | // sure that postinstall action exists. |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 766 | for (auto& app : parser_data->apps) |
| 767 | if (!ParsePackage(&app, output_object, completer)) |
| 768 | return false; |
Sen Jiang | 0affc2c | 2017-02-10 15:55:05 -0800 | [diff] [blame] | 769 | |
Jay Srinivasan | 23b92a5 | 2012-10-27 02:00:21 -0700 | [diff] [blame] | 770 | return true; |
| 771 | } |
| 772 | |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 773 | bool OmahaRequestAction::ParseStatus(OmahaParserData* parser_data, |
Jay Srinivasan | 23b92a5 | 2012-10-27 02:00:21 -0700 | [diff] [blame] | 774 | OmahaResponse* output_object, |
| 775 | ScopedActionCompleter* completer) { |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 776 | output_object->update_exists = false; |
Xiaochu Liu | 6310be6 | 2018-10-11 15:09:03 -0700 | [diff] [blame] | 777 | for (const auto& app : parser_data->apps) { |
| 778 | const string& status = app.updatecheck_status; |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 779 | if (status == kValNoUpdate) { |
Jae Hoon Kim | 5e9cd71 | 2020-02-12 15:28:28 -0800 | [diff] [blame] | 780 | // If the app is a DLC, allow status "noupdate" to support DLC |
| 781 | // deprecations. |
| 782 | if (params_->IsDlcAppId(app.id)) { |
| 783 | LOG(INFO) << "No update for <app> " << app.id |
| 784 | << " but update continuing since a DLC."; |
Jae Hoon Kim | 7fdfbf1 | 2020-04-10 18:15:50 -0700 | [diff] [blame^] | 785 | params_->SetDlcNoUpdate(app.id); |
Jae Hoon Kim | 5e9cd71 | 2020-02-12 15:28:28 -0800 | [diff] [blame] | 786 | continue; |
| 787 | } |
Sen Jiang | 00adf7b | 2017-06-26 15:57:29 -0700 | [diff] [blame] | 788 | // Don't update if any app has status="noupdate". |
Xiaochu Liu | 6310be6 | 2018-10-11 15:09:03 -0700 | [diff] [blame] | 789 | LOG(INFO) << "No update for <app> " << app.id; |
Sen Jiang | 00adf7b | 2017-06-26 15:57:29 -0700 | [diff] [blame] | 790 | output_object->update_exists = false; |
| 791 | break; |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 792 | } else if (status == "ok") { |
Xiaochu Liu | 6310be6 | 2018-10-11 15:09:03 -0700 | [diff] [blame] | 793 | auto const& attr_no_update = |
| 794 | app.action_postinstall_attrs.find(kAttrNoUpdate); |
| 795 | if (attr_no_update != app.action_postinstall_attrs.end() && |
| 796 | attr_no_update->second == "true") { |
Sen Jiang | 00adf7b | 2017-06-26 15:57:29 -0700 | [diff] [blame] | 797 | // noupdate="true" in postinstall attributes means it's an update to |
| 798 | // self, only update if there's at least one app really have update. |
Xiaochu Liu | 6310be6 | 2018-10-11 15:09:03 -0700 | [diff] [blame] | 799 | LOG(INFO) << "Update to self for <app> " << app.id; |
Sen Jiang | 00adf7b | 2017-06-26 15:57:29 -0700 | [diff] [blame] | 800 | } else { |
Xiaochu Liu | 6310be6 | 2018-10-11 15:09:03 -0700 | [diff] [blame] | 801 | LOG(INFO) << "Update for <app> " << app.id; |
Sen Jiang | 00adf7b | 2017-06-26 15:57:29 -0700 | [diff] [blame] | 802 | output_object->update_exists = true; |
| 803 | } |
Xiaochu Liu | 6310be6 | 2018-10-11 15:09:03 -0700 | [diff] [blame] | 804 | } else if (status.empty() && params_->is_install() && |
| 805 | params_->GetAppId() == app.id) { |
| 806 | // Skips the platform app for install operation. |
| 807 | LOG(INFO) << "No payload (and ignore) for <app> " << app.id; |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 808 | } else { |
| 809 | LOG(ERROR) << "Unknown Omaha response status: " << status; |
| 810 | completer->set_code(ErrorCode::kOmahaResponseInvalid); |
| 811 | return false; |
| 812 | } |
| 813 | } |
| 814 | if (!output_object->update_exists) { |
Jay Srinivasan | 23b92a5 | 2012-10-27 02:00:21 -0700 | [diff] [blame] | 815 | SetOutputObject(*output_object); |
Gilad Arnold | d1c4d2d | 2014-06-05 14:07:53 -0700 | [diff] [blame] | 816 | completer->set_code(ErrorCode::kSuccess); |
Jay Srinivasan | 23b92a5 | 2012-10-27 02:00:21 -0700 | [diff] [blame] | 817 | } |
| 818 | |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 819 | return output_object->update_exists; |
Jay Srinivasan | 23b92a5 | 2012-10-27 02:00:21 -0700 | [diff] [blame] | 820 | } |
| 821 | |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 822 | bool OmahaRequestAction::ParseParams(OmahaParserData* parser_data, |
Jay Srinivasan | 23b92a5 | 2012-10-27 02:00:21 -0700 | [diff] [blame] | 823 | OmahaResponse* output_object, |
| 824 | ScopedActionCompleter* completer) { |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 825 | map<string, string> attrs; |
| 826 | for (auto& app : parser_data->apps) { |
Aaron Wood | 7dcdedf | 2017-09-06 17:17:41 -0700 | [diff] [blame] | 827 | if (app.id == params_->GetAppId()) { |
| 828 | // this is the app (potentially the only app) |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 829 | output_object->version = app.manifest_version; |
Aaron Wood | 7dcdedf | 2017-09-06 17:17:41 -0700 | [diff] [blame] | 830 | } else if (!params_->system_app_id().empty() && |
| 831 | app.id == params_->system_app_id()) { |
| 832 | // this is the system app (this check is intentionally skipped if there is |
| 833 | // no system_app_id set) |
| 834 | output_object->system_version = app.manifest_version; |
Xiaochu Liu | 6310be6 | 2018-10-11 15:09:03 -0700 | [diff] [blame] | 835 | } else if (params_->is_install() && |
| 836 | app.manifest_version != params_->app_version()) { |
| 837 | LOG(WARNING) << "An app has a different version (" << app.manifest_version |
| 838 | << ") that is different than platform app version (" |
| 839 | << params_->app_version() << ")"; |
Aaron Wood | 7dcdedf | 2017-09-06 17:17:41 -0700 | [diff] [blame] | 840 | } |
| 841 | if (!app.action_postinstall_attrs.empty() && attrs.empty()) { |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 842 | attrs = app.action_postinstall_attrs; |
Aaron Wood | 7dcdedf | 2017-09-06 17:17:41 -0700 | [diff] [blame] | 843 | } |
Sen Jiang | 8125968 | 2017-03-30 15:11:30 -0700 | [diff] [blame] | 844 | } |
Xiaochu Liu | 6310be6 | 2018-10-11 15:09:03 -0700 | [diff] [blame] | 845 | if (params_->is_install()) { |
| 846 | LOG(INFO) << "Use request version for Install operation."; |
| 847 | output_object->version = params_->app_version(); |
| 848 | } |
Chris Sosa | 3b74843 | 2013-06-20 16:42:59 -0700 | [diff] [blame] | 849 | if (output_object->version.empty()) { |
Chris Sosa | aa18e16 | 2013-06-20 13:20:30 -0700 | [diff] [blame] | 850 | LOG(ERROR) << "Omaha Response does not have version in manifest!"; |
Gilad Arnold | d1c4d2d | 2014-06-05 14:07:53 -0700 | [diff] [blame] | 851 | completer->set_code(ErrorCode::kOmahaResponseInvalid); |
Chris Sosa | 3b74843 | 2013-06-20 16:42:59 -0700 | [diff] [blame] | 852 | return false; |
| 853 | } |
| 854 | |
| 855 | LOG(INFO) << "Received omaha response to update to version " |
| 856 | << output_object->version; |
| 857 | |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 858 | if (attrs.empty()) { |
Jay Srinivasan | 23b92a5 | 2012-10-27 02:00:21 -0700 | [diff] [blame] | 859 | LOG(ERROR) << "Omaha Response has no postinstall event action"; |
Gilad Arnold | d1c4d2d | 2014-06-05 14:07:53 -0700 | [diff] [blame] | 860 | completer->set_code(ErrorCode::kOmahaResponseInvalid); |
Jay Srinivasan | 23b92a5 | 2012-10-27 02:00:21 -0700 | [diff] [blame] | 861 | return false; |
| 862 | } |
| 863 | |
Jay Srinivasan | 6f6ea00 | 2012-12-14 11:26:28 -0800 | [diff] [blame] | 864 | // Get the optional properties one by one. |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 865 | output_object->more_info_url = attrs[kAttrMoreInfo]; |
| 866 | output_object->prompt = ParseBool(attrs[kAttrPrompt]); |
| 867 | output_object->deadline = attrs[kAttrDeadline]; |
| 868 | output_object->max_days_to_scatter = ParseInt(attrs[kAttrMaxDaysToScatter]); |
David Zeuthen | 8f191b2 | 2013-08-06 12:27:50 -0700 | [diff] [blame] | 869 | output_object->disable_p2p_for_downloading = |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 870 | ParseBool(attrs[kAttrDisableP2PForDownloading]); |
David Zeuthen | 8f191b2 | 2013-08-06 12:27:50 -0700 | [diff] [blame] | 871 | output_object->disable_p2p_for_sharing = |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 872 | ParseBool(attrs[kAttrDisableP2PForSharing]); |
| 873 | output_object->public_key_rsa = attrs[kAttrPublicKeyRsa]; |
Jay Srinivasan | 2b5a0f0 | 2012-12-19 17:25:56 -0800 | [diff] [blame] | 874 | |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 875 | string max = attrs[kAttrMaxFailureCountPerUrl]; |
Jay Srinivasan | 0826288 | 2012-12-28 19:29:43 -0800 | [diff] [blame] | 876 | if (!base::StringToUint(max, &output_object->max_failure_count_per_url)) |
Jay Srinivasan | 2b5a0f0 | 2012-12-19 17:25:56 -0800 | [diff] [blame] | 877 | output_object->max_failure_count_per_url = kDefaultMaxFailureCountPerUrl; |
Jay Srinivasan | 23b92a5 | 2012-10-27 02:00:21 -0700 | [diff] [blame] | 878 | |
Jay Srinivasan | 0826288 | 2012-12-28 19:29:43 -0800 | [diff] [blame] | 879 | output_object->disable_payload_backoff = |
Amin Hassani | 6600a56 | 2018-09-24 15:17:19 -0700 | [diff] [blame] | 880 | ParseBool(attrs[kAttrDisablePayloadBackoff]); |
| 881 | output_object->powerwash_required = ParseBool(attrs[kAttrPowerwash]); |
Jay Srinivasan | 0826288 | 2012-12-28 19:29:43 -0800 | [diff] [blame] | 882 | |
Jay Srinivasan | 23b92a5 | 2012-10-27 02:00:21 -0700 | [diff] [blame] | 883 | return true; |
| 884 | } |
| 885 | |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 886 | // If the transfer was successful, this uses expat to parse the response |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 887 | // and fill in the appropriate fields of the output object. Also, notifies |
| 888 | // the processor that we're done. |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 889 | void OmahaRequestAction::TransferComplete(HttpFetcher* fetcher, |
Darin Petkov | 6a5b322 | 2010-07-13 14:55:28 -0700 | [diff] [blame] | 890 | bool successful) { |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 891 | ScopedActionCompleter completer(processor_, this); |
Jay Srinivasan | 6f6ea00 | 2012-12-14 11:26:28 -0800 | [diff] [blame] | 892 | string current_response(response_buffer_.begin(), response_buffer_.end()); |
| 893 | LOG(INFO) << "Omaha request response: " << current_response; |
Darin Petkov | 0dc8e9a | 2010-07-14 14:51:57 -0700 | [diff] [blame] | 894 | |
Gilad Arnold | 74b5f55 | 2014-10-07 08:17:16 -0700 | [diff] [blame] | 895 | PayloadStateInterface* const payload_state = system_state_->payload_state(); |
| 896 | |
Zentaro Kavanagh | 76af266 | 2018-05-15 10:54:53 -0700 | [diff] [blame] | 897 | // Set the max kernel key version based on whether rollback is allowed. |
| 898 | SetMaxKernelKeyVersionForRollback(); |
| 899 | |
Darin Petkov | 0dc8e9a | 2010-07-14 14:51:57 -0700 | [diff] [blame] | 900 | // Events are best effort transactions -- assume they always succeed. |
| 901 | if (IsEvent()) { |
| 902 | CHECK(!HasOutputPipe()) << "No output pipe allowed for event requests."; |
Gilad Arnold | d1c4d2d | 2014-06-05 14:07:53 -0700 | [diff] [blame] | 903 | completer.set_code(ErrorCode::kSuccess); |
Darin Petkov | 0dc8e9a | 2010-07-14 14:51:57 -0700 | [diff] [blame] | 904 | return; |
| 905 | } |
| 906 | |
Amin Hassani | d3d8421 | 2019-08-17 00:27:44 -0700 | [diff] [blame] | 907 | ErrorCode aux_error_code = fetcher->GetAuxiliaryErrorCode(); |
| 908 | if (aux_error_code != ErrorCode::kSuccess) { |
| 909 | metrics::DownloadErrorCode download_error_code = |
| 910 | metrics_utils::GetDownloadErrorCode(aux_error_code); |
| 911 | system_state_->metrics_reporter()->ReportUpdateCheckMetrics( |
| 912 | system_state_, |
| 913 | metrics::CheckResult::kUnset, |
| 914 | metrics::CheckReaction::kUnset, |
| 915 | download_error_code); |
| 916 | } |
| 917 | |
Andrew de los Reyes | f98bff8 | 2010-05-06 13:33:25 -0700 | [diff] [blame] | 918 | if (!successful) { |
Darin Petkov | 0dc8e9a | 2010-07-14 14:51:57 -0700 | [diff] [blame] | 919 | LOG(ERROR) << "Omaha request network transfer failed."; |
Darin Petkov | edc522e | 2010-11-05 09:35:17 -0700 | [diff] [blame] | 920 | int code = GetHTTPResponseCode(); |
| 921 | // Makes sure we send sane error values. |
| 922 | if (code < 0 || code >= 1000) { |
| 923 | code = 999; |
| 924 | } |
David Zeuthen | a99981f | 2013-04-29 13:42:47 -0700 | [diff] [blame] | 925 | completer.set_code(static_cast<ErrorCode>( |
Gilad Arnold | d1c4d2d | 2014-06-05 14:07:53 -0700 | [diff] [blame] | 926 | static_cast<int>(ErrorCode::kOmahaRequestHTTPResponseBase) + code)); |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 927 | return; |
Andrew de los Reyes | f98bff8 | 2010-05-06 13:33:25 -0700 | [diff] [blame] | 928 | } |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 929 | |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 930 | XML_Parser parser = XML_ParserCreate(nullptr); |
David Zeuthen | f3e2801 | 2014-08-26 18:23:52 -0400 | [diff] [blame] | 931 | OmahaParserData parser_data(parser); |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 932 | XML_SetUserData(parser, &parser_data); |
| 933 | XML_SetElementHandler(parser, ParserHandlerStart, ParserHandlerEnd); |
David Zeuthen | f3e2801 | 2014-08-26 18:23:52 -0400 | [diff] [blame] | 934 | XML_SetEntityDeclHandler(parser, ParserHandlerEntityDecl); |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 935 | XML_Status res = |
| 936 | XML_Parse(parser, |
| 937 | reinterpret_cast<const char*>(response_buffer_.data()), |
| 938 | response_buffer_.size(), |
| 939 | XML_TRUE); |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 940 | |
| 941 | if (res != XML_STATUS_OK || parser_data.failed) { |
Alex Deymo | a9bb7dc | 2015-06-19 09:50:23 -0700 | [diff] [blame] | 942 | LOG(ERROR) << "Omaha response not valid XML: " |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 943 | << XML_ErrorString(XML_GetErrorCode(parser)) << " at line " |
| 944 | << XML_GetCurrentLineNumber(parser) << " col " |
| 945 | << XML_GetCurrentColumnNumber(parser); |
Amin Hassani | 91f48b4 | 2018-08-06 17:47:14 -0700 | [diff] [blame] | 946 | XML_ParserFree(parser); |
David Zeuthen | f3e2801 | 2014-08-26 18:23:52 -0400 | [diff] [blame] | 947 | ErrorCode error_code = ErrorCode::kOmahaRequestXMLParseError; |
| 948 | if (response_buffer_.empty()) { |
| 949 | error_code = ErrorCode::kOmahaRequestEmptyResponseError; |
| 950 | } else if (parser_data.entity_decl) { |
| 951 | error_code = ErrorCode::kOmahaRequestXMLHasEntityDecl; |
| 952 | } |
| 953 | completer.set_code(error_code); |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 954 | return; |
| 955 | } |
Amin Hassani | 91f48b4 | 2018-08-06 17:47:14 -0700 | [diff] [blame] | 956 | XML_ParserFree(parser); |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 957 | |
Alex Deymo | ebbe7ef | 2014-10-30 13:02:49 -0700 | [diff] [blame] | 958 | // Update the last ping day preferences based on the server daystart response |
| 959 | // even if we didn't send a ping. Omaha always includes the daystart in the |
| 960 | // response, but log the error if it didn't. |
| 961 | LOG_IF(ERROR, !UpdateLastPingDays(&parser_data, system_state_->prefs())) |
| 962 | << "Failed to update the last ping day preferences!"; |
Darin Petkov | 1cbd78f | 2010-07-29 12:38:34 -0700 | [diff] [blame] | 963 | |
Amin Hassani | 1677e81 | 2017-06-21 13:36:36 -0700 | [diff] [blame] | 964 | // Sets first_active_omaha_ping_sent to true (vpd in CrOS). We only do this if |
| 965 | // we have got a response from omaha and if its value has never been set to |
| 966 | // true before. Failure of this function should be ignored. There should be no |
| 967 | // need to check if a=-1 has been sent because older devices have already sent |
| 968 | // their a=-1 in the past and we have to set first_active_omaha_ping_sent for |
| 969 | // future checks. |
| 970 | if (!system_state_->hardware()->GetFirstActiveOmahaPingSent()) { |
Amin Hassani | 80f4d4c | 2018-05-16 13:34:00 -0700 | [diff] [blame] | 971 | if (!system_state_->hardware()->SetFirstActiveOmahaPingSent()) { |
| 972 | system_state_->metrics_reporter()->ReportInternalErrorCode( |
| 973 | ErrorCode::kFirstActiveOmahaPingSentPersistenceError); |
| 974 | } |
Amin Hassani | 1677e81 | 2017-06-21 13:36:36 -0700 | [diff] [blame] | 975 | } |
| 976 | |
Andrew | e045aef | 2020-01-08 16:29:22 -0800 | [diff] [blame] | 977 | // Create/update the metadata files for each DLC app received. |
| 978 | StorePingReply(parser_data); |
| 979 | |
Thieu Le | 116fda3 | 2011-04-19 11:01:54 -0700 | [diff] [blame] | 980 | if (!HasOutputPipe()) { |
| 981 | // Just set success to whether or not the http transfer succeeded, |
| 982 | // which must be true at this point in the code. |
Gilad Arnold | d1c4d2d | 2014-06-05 14:07:53 -0700 | [diff] [blame] | 983 | completer.set_code(ErrorCode::kSuccess); |
Thieu Le | 116fda3 | 2011-04-19 11:01:54 -0700 | [diff] [blame] | 984 | return; |
| 985 | } |
| 986 | |
Darin Petkov | 6a5b322 | 2010-07-13 14:55:28 -0700 | [diff] [blame] | 987 | OmahaResponse output_object; |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 988 | if (!ParseResponse(&parser_data, &output_object, &completer)) |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 989 | return; |
David Zeuthen | 8f191b2 | 2013-08-06 12:27:50 -0700 | [diff] [blame] | 990 | output_object.update_exists = true; |
| 991 | SetOutputObject(output_object); |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 992 | |
Toni Barzic | 61544e6 | 2018-10-11 14:37:30 -0700 | [diff] [blame] | 993 | LoadOrPersistUpdateFirstSeenAtPref(); |
| 994 | |
Weidong Guo | 421ff33 | 2017-04-17 10:08:38 -0700 | [diff] [blame] | 995 | ErrorCode error = ErrorCode::kSuccess; |
Toni Barzic | 61544e6 | 2018-10-11 14:37:30 -0700 | [diff] [blame] | 996 | if (ShouldIgnoreUpdate(output_object, &error)) { |
Weidong Guo | 421ff33 | 2017-04-17 10:08:38 -0700 | [diff] [blame] | 997 | // No need to change output_object.update_exists here, since the value |
| 998 | // has been output to the pipe. |
| 999 | completer.set_code(error); |
Jay Srinivasan | 0a70874 | 2012-03-20 11:26:12 -0700 | [diff] [blame] | 1000 | return; |
| 1001 | } |
| 1002 | |
David Zeuthen | 8f191b2 | 2013-08-06 12:27:50 -0700 | [diff] [blame] | 1003 | // If Omaha says to disable p2p, respect that |
| 1004 | if (output_object.disable_p2p_for_downloading) { |
| 1005 | LOG(INFO) << "Forcibly disabling use of p2p for downloading as " |
| 1006 | << "requested by Omaha."; |
Gilad Arnold | 74b5f55 | 2014-10-07 08:17:16 -0700 | [diff] [blame] | 1007 | payload_state->SetUsingP2PForDownloading(false); |
David Zeuthen | 8f191b2 | 2013-08-06 12:27:50 -0700 | [diff] [blame] | 1008 | } |
| 1009 | if (output_object.disable_p2p_for_sharing) { |
| 1010 | LOG(INFO) << "Forcibly disabling use of p2p for sharing as " |
| 1011 | << "requested by Omaha."; |
Gilad Arnold | 74b5f55 | 2014-10-07 08:17:16 -0700 | [diff] [blame] | 1012 | payload_state->SetUsingP2PForSharing(false); |
Jay Srinivasan | 480ddfa | 2012-06-01 19:15:26 -0700 | [diff] [blame] | 1013 | } |
Jay Srinivasan | 6f6ea00 | 2012-12-14 11:26:28 -0800 | [diff] [blame] | 1014 | |
| 1015 | // Update the payload state with the current response. The payload state |
| 1016 | // will automatically reset all stale state if this response is different |
Jay Srinivasan | 0826288 | 2012-12-28 19:29:43 -0800 | [diff] [blame] | 1017 | // from what's stored already. We are updating the payload state as late |
| 1018 | // as possible in this method so that if a new release gets pushed and then |
| 1019 | // got pulled back due to some issues, we don't want to clear our internal |
| 1020 | // state unnecessarily. |
Jay Srinivasan | 6f6ea00 | 2012-12-14 11:26:28 -0800 | [diff] [blame] | 1021 | payload_state->SetResponse(output_object); |
Jay Srinivasan | 0826288 | 2012-12-28 19:29:43 -0800 | [diff] [blame] | 1022 | |
David Zeuthen | 8f191b2 | 2013-08-06 12:27:50 -0700 | [diff] [blame] | 1023 | // It could be we've already exceeded the deadline for when p2p is |
| 1024 | // allowed or that we've tried too many times with p2p. Check that. |
Gilad Arnold | 74b5f55 | 2014-10-07 08:17:16 -0700 | [diff] [blame] | 1025 | if (payload_state->GetUsingP2PForDownloading()) { |
David Zeuthen | 8f191b2 | 2013-08-06 12:27:50 -0700 | [diff] [blame] | 1026 | payload_state->P2PNewAttempt(); |
| 1027 | if (!payload_state->P2PAttemptAllowed()) { |
| 1028 | LOG(INFO) << "Forcibly disabling use of p2p for downloading because " |
| 1029 | << "of previous failures when using p2p."; |
Gilad Arnold | 74b5f55 | 2014-10-07 08:17:16 -0700 | [diff] [blame] | 1030 | payload_state->SetUsingP2PForDownloading(false); |
David Zeuthen | 8f191b2 | 2013-08-06 12:27:50 -0700 | [diff] [blame] | 1031 | } |
| 1032 | } |
| 1033 | |
| 1034 | // From here on, we'll complete stuff in CompleteProcessing() so |
| 1035 | // disable |completer| since we'll create a new one in that |
| 1036 | // function. |
| 1037 | completer.set_should_complete(false); |
| 1038 | |
| 1039 | // If we're allowed to use p2p for downloading we do not pay |
| 1040 | // attention to wall-clock-based waiting if the URL is indeed |
| 1041 | // available via p2p. Therefore, check if the file is available via |
| 1042 | // p2p before deferring... |
Gilad Arnold | 74b5f55 | 2014-10-07 08:17:16 -0700 | [diff] [blame] | 1043 | if (payload_state->GetUsingP2PForDownloading()) { |
David Zeuthen | 8f191b2 | 2013-08-06 12:27:50 -0700 | [diff] [blame] | 1044 | LookupPayloadViaP2P(output_object); |
| 1045 | } else { |
| 1046 | CompleteProcessing(); |
| 1047 | } |
| 1048 | } |
| 1049 | |
| 1050 | void OmahaRequestAction::CompleteProcessing() { |
| 1051 | ScopedActionCompleter completer(processor_, this); |
| 1052 | OmahaResponse& output_object = const_cast<OmahaResponse&>(GetOutputObject()); |
| 1053 | PayloadStateInterface* payload_state = system_state_->payload_state(); |
| 1054 | |
| 1055 | if (ShouldDeferDownload(&output_object)) { |
Jay Srinivasan | 0826288 | 2012-12-28 19:29:43 -0800 | [diff] [blame] | 1056 | output_object.update_exists = false; |
David Zeuthen | 8f191b2 | 2013-08-06 12:27:50 -0700 | [diff] [blame] | 1057 | LOG(INFO) << "Ignoring Omaha updates as updates are deferred by policy."; |
Gilad Arnold | d1c4d2d | 2014-06-05 14:07:53 -0700 | [diff] [blame] | 1058 | completer.set_code(ErrorCode::kOmahaUpdateDeferredPerPolicy); |
Jay Srinivasan | 0826288 | 2012-12-28 19:29:43 -0800 | [diff] [blame] | 1059 | return; |
| 1060 | } |
David Zeuthen | 8f191b2 | 2013-08-06 12:27:50 -0700 | [diff] [blame] | 1061 | |
Chris Sosa | 20f005c | 2013-09-05 13:53:08 -0700 | [diff] [blame] | 1062 | if (payload_state->ShouldBackoffDownload()) { |
| 1063 | output_object.update_exists = false; |
| 1064 | LOG(INFO) << "Ignoring Omaha updates in order to backoff our retry " |
| 1065 | << "attempts"; |
Gilad Arnold | d1c4d2d | 2014-06-05 14:07:53 -0700 | [diff] [blame] | 1066 | completer.set_code(ErrorCode::kOmahaUpdateDeferredForBackoff); |
Chris Sosa | 20f005c | 2013-09-05 13:53:08 -0700 | [diff] [blame] | 1067 | return; |
David Zeuthen | 8f191b2 | 2013-08-06 12:27:50 -0700 | [diff] [blame] | 1068 | } |
Gilad Arnold | d1c4d2d | 2014-06-05 14:07:53 -0700 | [diff] [blame] | 1069 | completer.set_code(ErrorCode::kSuccess); |
David Zeuthen | 8f191b2 | 2013-08-06 12:27:50 -0700 | [diff] [blame] | 1070 | } |
| 1071 | |
| 1072 | void OmahaRequestAction::OnLookupPayloadViaP2PCompleted(const string& url) { |
| 1073 | LOG(INFO) << "Lookup complete, p2p-client returned URL '" << url << "'"; |
| 1074 | if (!url.empty()) { |
Gilad Arnold | 74b5f55 | 2014-10-07 08:17:16 -0700 | [diff] [blame] | 1075 | system_state_->payload_state()->SetP2PUrl(url); |
David Zeuthen | 8f191b2 | 2013-08-06 12:27:50 -0700 | [diff] [blame] | 1076 | } else { |
| 1077 | LOG(INFO) << "Forcibly disabling use of p2p for downloading " |
| 1078 | << "because no suitable peer could be found."; |
Gilad Arnold | 74b5f55 | 2014-10-07 08:17:16 -0700 | [diff] [blame] | 1079 | system_state_->payload_state()->SetUsingP2PForDownloading(false); |
David Zeuthen | 8f191b2 | 2013-08-06 12:27:50 -0700 | [diff] [blame] | 1080 | } |
| 1081 | CompleteProcessing(); |
| 1082 | } |
| 1083 | |
| 1084 | void OmahaRequestAction::LookupPayloadViaP2P(const OmahaResponse& response) { |
David Zeuthen | 41996ad | 2013-09-24 15:43:24 -0700 | [diff] [blame] | 1085 | // If the device is in the middle of an update, the state variables |
| 1086 | // kPrefsUpdateStateNextDataOffset, kPrefsUpdateStateNextDataLength |
| 1087 | // tracks the offset and length of the operation currently in |
| 1088 | // progress. The offset is based from the end of the manifest which |
| 1089 | // is kPrefsManifestMetadataSize bytes long. |
| 1090 | // |
| 1091 | // To make forward progress and avoid deadlocks, we need to find a |
| 1092 | // peer that has at least the entire operation we're currently |
| 1093 | // working on. Otherwise we may end up in a situation where two |
| 1094 | // devices bounce back and forth downloading from each other, |
| 1095 | // neither making any forward progress until one of them decides to |
| 1096 | // stop using p2p (via kMaxP2PAttempts and kMaxP2PAttemptTimeSeconds |
| 1097 | // safe-guards). See http://crbug.com/297170 for an example) |
David Zeuthen | 8f191b2 | 2013-08-06 12:27:50 -0700 | [diff] [blame] | 1098 | size_t minimum_size = 0; |
David Zeuthen | 41996ad | 2013-09-24 15:43:24 -0700 | [diff] [blame] | 1099 | int64_t manifest_metadata_size = 0; |
Alex Deymo | f25eb49 | 2016-02-26 00:20:08 -0800 | [diff] [blame] | 1100 | int64_t manifest_signature_size = 0; |
David Zeuthen | 41996ad | 2013-09-24 15:43:24 -0700 | [diff] [blame] | 1101 | int64_t next_data_offset = 0; |
| 1102 | int64_t next_data_length = 0; |
Alex Vakulenko | 88b591f | 2014-08-28 16:48:57 -0700 | [diff] [blame] | 1103 | if (system_state_ && |
David Zeuthen | 41996ad | 2013-09-24 15:43:24 -0700 | [diff] [blame] | 1104 | system_state_->prefs()->GetInt64(kPrefsManifestMetadataSize, |
| 1105 | &manifest_metadata_size) && |
| 1106 | manifest_metadata_size != -1 && |
Alex Deymo | f25eb49 | 2016-02-26 00:20:08 -0800 | [diff] [blame] | 1107 | system_state_->prefs()->GetInt64(kPrefsManifestSignatureSize, |
| 1108 | &manifest_signature_size) && |
| 1109 | manifest_signature_size != -1 && |
David Zeuthen | 8f191b2 | 2013-08-06 12:27:50 -0700 | [diff] [blame] | 1110 | system_state_->prefs()->GetInt64(kPrefsUpdateStateNextDataOffset, |
David Zeuthen | 41996ad | 2013-09-24 15:43:24 -0700 | [diff] [blame] | 1111 | &next_data_offset) && |
| 1112 | next_data_offset != -1 && |
| 1113 | system_state_->prefs()->GetInt64(kPrefsUpdateStateNextDataLength, |
| 1114 | &next_data_length)) { |
Alex Deymo | f25eb49 | 2016-02-26 00:20:08 -0800 | [diff] [blame] | 1115 | minimum_size = manifest_metadata_size + manifest_signature_size + |
| 1116 | next_data_offset + next_data_length; |
David Zeuthen | 8f191b2 | 2013-08-06 12:27:50 -0700 | [diff] [blame] | 1117 | } |
| 1118 | |
Sen Jiang | 0affc2c | 2017-02-10 15:55:05 -0800 | [diff] [blame] | 1119 | // TODO(senj): Fix P2P for multiple package. |
Sen Jiang | 2703ef4 | 2017-03-16 13:36:21 -0700 | [diff] [blame] | 1120 | brillo::Blob raw_hash; |
Sen Jiang | 0affc2c | 2017-02-10 15:55:05 -0800 | [diff] [blame] | 1121 | if (!base::HexStringToBytes(response.packages[0].hash, &raw_hash)) |
Sen Jiang | 2703ef4 | 2017-03-16 13:36:21 -0700 | [diff] [blame] | 1122 | return; |
Sen Jiang | 0affc2c | 2017-02-10 15:55:05 -0800 | [diff] [blame] | 1123 | string file_id = |
| 1124 | utils::CalculateP2PFileId(raw_hash, response.packages[0].size); |
Alex Vakulenko | 88b591f | 2014-08-28 16:48:57 -0700 | [diff] [blame] | 1125 | if (system_state_->p2p_manager()) { |
Sen Jiang | 2703ef4 | 2017-03-16 13:36:21 -0700 | [diff] [blame] | 1126 | LOG(INFO) << "Checking if payload is available via p2p, file_id=" << file_id |
| 1127 | << " minimum_size=" << minimum_size; |
David Zeuthen | 8f191b2 | 2013-08-06 12:27:50 -0700 | [diff] [blame] | 1128 | system_state_->p2p_manager()->LookupUrlForFile( |
| 1129 | file_id, |
| 1130 | minimum_size, |
David Zeuthen | 4cc5ed2 | 2014-01-15 12:35:03 -0800 | [diff] [blame] | 1131 | TimeDelta::FromSeconds(kMaxP2PNetworkWaitTimeSeconds), |
David Zeuthen | 8f191b2 | 2013-08-06 12:27:50 -0700 | [diff] [blame] | 1132 | base::Bind(&OmahaRequestAction::OnLookupPayloadViaP2PCompleted, |
| 1133 | base::Unretained(this))); |
| 1134 | } |
rspangler@google.com | 49fdf18 | 2009-10-10 00:57:34 +0000 | [diff] [blame] | 1135 | } |
| 1136 | |
Jay Srinivasan | 23b92a5 | 2012-10-27 02:00:21 -0700 | [diff] [blame] | 1137 | bool OmahaRequestAction::ShouldDeferDownload(OmahaResponse* output_object) { |
Chris Sosa | 968d057 | 2013-08-23 14:46:02 -0700 | [diff] [blame] | 1138 | if (params_->interactive()) { |
| 1139 | LOG(INFO) << "Not deferring download because update is interactive."; |
| 1140 | return false; |
| 1141 | } |
| 1142 | |
David Zeuthen | 8f191b2 | 2013-08-06 12:27:50 -0700 | [diff] [blame] | 1143 | // If we're using p2p to download _and_ we have a p2p URL, we never |
| 1144 | // defer the download. This is because the download will always |
| 1145 | // happen from a peer on the LAN and we've been waiting in line for |
| 1146 | // our turn. |
Gilad Arnold | 74b5f55 | 2014-10-07 08:17:16 -0700 | [diff] [blame] | 1147 | const PayloadStateInterface* payload_state = system_state_->payload_state(); |
| 1148 | if (payload_state->GetUsingP2PForDownloading() && |
| 1149 | !payload_state->GetP2PUrl().empty()) { |
David Zeuthen | 8f191b2 | 2013-08-06 12:27:50 -0700 | [diff] [blame] | 1150 | LOG(INFO) << "Download not deferred because download " |
| 1151 | << "will happen from a local peer (via p2p)."; |
| 1152 | return false; |
| 1153 | } |
| 1154 | |
Jay Srinivasan | 480ddfa | 2012-06-01 19:15:26 -0700 | [diff] [blame] | 1155 | // We should defer the downloads only if we've first satisfied the |
| 1156 | // wall-clock-based-waiting period and then the update-check-based waiting |
| 1157 | // period, if required. |
Jay Srinivasan | ae4697c | 2013-03-18 17:08:08 -0700 | [diff] [blame] | 1158 | if (!params_->wall_clock_based_wait_enabled()) { |
Chris Sosa | 968d057 | 2013-08-23 14:46:02 -0700 | [diff] [blame] | 1159 | LOG(INFO) << "Wall-clock-based waiting period is not enabled," |
| 1160 | << " so no deferring needed."; |
Jay Srinivasan | 480ddfa | 2012-06-01 19:15:26 -0700 | [diff] [blame] | 1161 | return false; |
| 1162 | } |
| 1163 | |
Jay Srinivasan | 23b92a5 | 2012-10-27 02:00:21 -0700 | [diff] [blame] | 1164 | switch (IsWallClockBasedWaitingSatisfied(output_object)) { |
Jay Srinivasan | 480ddfa | 2012-06-01 19:15:26 -0700 | [diff] [blame] | 1165 | case kWallClockWaitNotSatisfied: |
| 1166 | // We haven't even satisfied the first condition, passing the |
| 1167 | // wall-clock-based waiting period, so we should defer the downloads |
| 1168 | // until that happens. |
| 1169 | LOG(INFO) << "wall-clock-based-wait not satisfied."; |
| 1170 | return true; |
| 1171 | |
| 1172 | case kWallClockWaitDoneButUpdateCheckWaitRequired: |
| 1173 | LOG(INFO) << "wall-clock-based-wait satisfied and " |
| 1174 | << "update-check-based-wait required."; |
Jay Srinivasan | 23b92a5 | 2012-10-27 02:00:21 -0700 | [diff] [blame] | 1175 | return !IsUpdateCheckCountBasedWaitingSatisfied(); |
Jay Srinivasan | 480ddfa | 2012-06-01 19:15:26 -0700 | [diff] [blame] | 1176 | |
| 1177 | case kWallClockWaitDoneAndUpdateCheckWaitNotRequired: |
| 1178 | // Wall-clock-based waiting period is satisfied, and it's determined |
| 1179 | // that we do not need the update-check-based wait. so no need to |
| 1180 | // defer downloads. |
| 1181 | LOG(INFO) << "wall-clock-based-wait satisfied and " |
| 1182 | << "update-check-based-wait is not required."; |
| 1183 | return false; |
| 1184 | |
| 1185 | default: |
| 1186 | // Returning false for this default case so we err on the |
| 1187 | // side of downloading updates than deferring in case of any bugs. |
| 1188 | NOTREACHED(); |
| 1189 | return false; |
| 1190 | } |
| 1191 | } |
| 1192 | |
| 1193 | OmahaRequestAction::WallClockWaitResult |
| 1194 | OmahaRequestAction::IsWallClockBasedWaitingSatisfied( |
Jay Srinivasan | 23b92a5 | 2012-10-27 02:00:21 -0700 | [diff] [blame] | 1195 | OmahaResponse* output_object) { |
May Lippert | 60aa3ca | 2018-08-15 16:55:29 -0700 | [diff] [blame] | 1196 | Time update_first_seen_at = LoadOrPersistUpdateFirstSeenAtPref(); |
| 1197 | if (update_first_seen_at == base::Time()) { |
| 1198 | LOG(INFO) << "Not scattering as UpdateFirstSeenAt value cannot be read or " |
| 1199 | "persisted"; |
| 1200 | return kWallClockWaitDoneAndUpdateCheckWaitNotRequired; |
Jay Srinivasan | 480ddfa | 2012-06-01 19:15:26 -0700 | [diff] [blame] | 1201 | } |
| 1202 | |
Sen Jiang | 7c1171e | 2016-06-23 11:35:40 -0700 | [diff] [blame] | 1203 | TimeDelta elapsed_time = |
| 1204 | system_state_->clock()->GetWallclockTime() - update_first_seen_at; |
| 1205 | TimeDelta max_scatter_period = |
| 1206 | TimeDelta::FromDays(output_object->max_days_to_scatter); |
Adolfo Victoria | 497044c | 2018-07-18 07:51:42 -0700 | [diff] [blame] | 1207 | int64_t staging_wait_time_in_days = 0; |
| 1208 | // Use staging and its default max value if staging is on. |
| 1209 | if (system_state_->prefs()->GetInt64(kPrefsWallClockStagingWaitPeriod, |
| 1210 | &staging_wait_time_in_days) && |
| 1211 | staging_wait_time_in_days > 0) |
| 1212 | max_scatter_period = TimeDelta::FromDays(kMaxWaitTimeStagingInDays); |
Jay Srinivasan | 480ddfa | 2012-06-01 19:15:26 -0700 | [diff] [blame] | 1213 | |
Jay Srinivasan | 34b5d86 | 2012-07-23 11:43:22 -0700 | [diff] [blame] | 1214 | LOG(INFO) << "Waiting Period = " |
Jay Srinivasan | ae4697c | 2013-03-18 17:08:08 -0700 | [diff] [blame] | 1215 | << utils::FormatSecs(params_->waiting_period().InSeconds()) |
Jay Srinivasan | 480ddfa | 2012-06-01 19:15:26 -0700 | [diff] [blame] | 1216 | << ", Time Elapsed = " |
| 1217 | << utils::FormatSecs(elapsed_time.InSeconds()) |
Adolfo Victoria | 497044c | 2018-07-18 07:51:42 -0700 | [diff] [blame] | 1218 | << ", MaxDaysToScatter = " << max_scatter_period.InDays(); |
Jay Srinivasan | 480ddfa | 2012-06-01 19:15:26 -0700 | [diff] [blame] | 1219 | |
Jay Srinivasan | 23b92a5 | 2012-10-27 02:00:21 -0700 | [diff] [blame] | 1220 | if (!output_object->deadline.empty()) { |
Jay Srinivasan | 480ddfa | 2012-06-01 19:15:26 -0700 | [diff] [blame] | 1221 | // The deadline is set for all rules which serve a delta update from a |
| 1222 | // previous FSI, which means this update will be applied mostly in OOBE |
| 1223 | // cases. For these cases, we shouldn't scatter so as to finish the OOBE |
| 1224 | // quickly. |
| 1225 | LOG(INFO) << "Not scattering as deadline flag is set"; |
| 1226 | return kWallClockWaitDoneAndUpdateCheckWaitNotRequired; |
| 1227 | } |
| 1228 | |
| 1229 | if (max_scatter_period.InDays() == 0) { |
| 1230 | // This means the Omaha rule creator decides that this rule |
| 1231 | // should not be scattered irrespective of the policy. |
| 1232 | LOG(INFO) << "Not scattering as MaxDaysToScatter in rule is 0."; |
| 1233 | return kWallClockWaitDoneAndUpdateCheckWaitNotRequired; |
| 1234 | } |
| 1235 | |
| 1236 | if (elapsed_time > max_scatter_period) { |
Jay Srinivasan | 34b5d86 | 2012-07-23 11:43:22 -0700 | [diff] [blame] | 1237 | // This means we've waited more than the upperbound wait in the rule |
| 1238 | // from the time we first saw a valid update available to us. |
| 1239 | // This will prevent update starvation. |
Jay Srinivasan | 480ddfa | 2012-06-01 19:15:26 -0700 | [diff] [blame] | 1240 | LOG(INFO) << "Not scattering as we're past the MaxDaysToScatter limit."; |
| 1241 | return kWallClockWaitDoneAndUpdateCheckWaitNotRequired; |
| 1242 | } |
| 1243 | |
| 1244 | // This means we are required to participate in scattering. |
| 1245 | // See if our turn has arrived now. |
Jay Srinivasan | ae4697c | 2013-03-18 17:08:08 -0700 | [diff] [blame] | 1246 | TimeDelta remaining_wait_time = params_->waiting_period() - elapsed_time; |
Jay Srinivasan | 480ddfa | 2012-06-01 19:15:26 -0700 | [diff] [blame] | 1247 | if (remaining_wait_time.InSeconds() <= 0) { |
| 1248 | // Yes, it's our turn now. |
| 1249 | LOG(INFO) << "Successfully passed the wall-clock-based-wait."; |
| 1250 | |
| 1251 | // But we can't download until the update-check-count-based wait is also |
| 1252 | // satisfied, so mark it as required now if update checks are enabled. |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 1253 | return params_->update_check_count_wait_enabled() |
| 1254 | ? kWallClockWaitDoneButUpdateCheckWaitRequired |
| 1255 | : kWallClockWaitDoneAndUpdateCheckWaitNotRequired; |
Jay Srinivasan | 480ddfa | 2012-06-01 19:15:26 -0700 | [diff] [blame] | 1256 | } |
| 1257 | |
| 1258 | // Not our turn yet, so we have to wait until our turn to |
| 1259 | // help scatter the downloads across all clients of the enterprise. |
| 1260 | LOG(INFO) << "Update deferred for another " |
| 1261 | << utils::FormatSecs(remaining_wait_time.InSeconds()) |
| 1262 | << " per policy."; |
| 1263 | return kWallClockWaitNotSatisfied; |
| 1264 | } |
| 1265 | |
Jay Srinivasan | 23b92a5 | 2012-10-27 02:00:21 -0700 | [diff] [blame] | 1266 | bool OmahaRequestAction::IsUpdateCheckCountBasedWaitingSatisfied() { |
Ben Chan | 9abb763 | 2014-08-07 00:10:53 -0700 | [diff] [blame] | 1267 | int64_t update_check_count_value; |
Jay Srinivasan | 480ddfa | 2012-06-01 19:15:26 -0700 | [diff] [blame] | 1268 | |
Jay Srinivasan | 6f6ea00 | 2012-12-14 11:26:28 -0800 | [diff] [blame] | 1269 | if (system_state_->prefs()->Exists(kPrefsUpdateCheckCount)) { |
| 1270 | if (!system_state_->prefs()->GetInt64(kPrefsUpdateCheckCount, |
| 1271 | &update_check_count_value)) { |
Jay Srinivasan | 480ddfa | 2012-06-01 19:15:26 -0700 | [diff] [blame] | 1272 | // We are unable to read the update check count from file for some reason. |
| 1273 | // So let's proceed anyway so as to not stall the update. |
| 1274 | LOG(ERROR) << "Unable to read update check count. " |
| 1275 | << "Skipping update-check-count-based-wait."; |
| 1276 | return true; |
| 1277 | } |
| 1278 | } else { |
| 1279 | // This file does not exist. This means we haven't started our update |
| 1280 | // check count down yet, so this is the right time to start the count down. |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 1281 | update_check_count_value = |
| 1282 | base::RandInt(params_->min_update_checks_needed(), |
| 1283 | params_->max_update_checks_allowed()); |
Jay Srinivasan | 480ddfa | 2012-06-01 19:15:26 -0700 | [diff] [blame] | 1284 | |
| 1285 | LOG(INFO) << "Randomly picked update check count value = " |
| 1286 | << update_check_count_value; |
| 1287 | |
| 1288 | // Write out the initial value of update_check_count_value. |
Jay Srinivasan | 6f6ea00 | 2012-12-14 11:26:28 -0800 | [diff] [blame] | 1289 | if (!system_state_->prefs()->SetInt64(kPrefsUpdateCheckCount, |
| 1290 | update_check_count_value)) { |
Jay Srinivasan | 480ddfa | 2012-06-01 19:15:26 -0700 | [diff] [blame] | 1291 | // We weren't able to write the update check count file for some reason. |
| 1292 | // So let's proceed anyway so as to not stall the update. |
| 1293 | LOG(ERROR) << "Unable to write update check count. " |
| 1294 | << "Skipping update-check-count-based-wait."; |
| 1295 | return true; |
| 1296 | } |
| 1297 | } |
| 1298 | |
| 1299 | if (update_check_count_value == 0) { |
| 1300 | LOG(INFO) << "Successfully passed the update-check-based-wait."; |
| 1301 | return true; |
| 1302 | } |
| 1303 | |
| 1304 | if (update_check_count_value < 0 || |
Jay Srinivasan | ae4697c | 2013-03-18 17:08:08 -0700 | [diff] [blame] | 1305 | update_check_count_value > params_->max_update_checks_allowed()) { |
Jay Srinivasan | 480ddfa | 2012-06-01 19:15:26 -0700 | [diff] [blame] | 1306 | // We err on the side of skipping scattering logic instead of stalling |
| 1307 | // a machine from receiving any updates in case of any unexpected state. |
| 1308 | LOG(ERROR) << "Invalid value for update check count detected. " |
| 1309 | << "Skipping update-check-count-based-wait."; |
| 1310 | return true; |
| 1311 | } |
| 1312 | |
| 1313 | // Legal value, we need to wait for more update checks to happen |
| 1314 | // until this becomes 0. |
| 1315 | LOG(INFO) << "Deferring Omaha updates for another " |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 1316 | << update_check_count_value << " update checks per policy"; |
Jay Srinivasan | 480ddfa | 2012-06-01 19:15:26 -0700 | [diff] [blame] | 1317 | return false; |
| 1318 | } |
| 1319 | |
David Zeuthen | 639aa36 | 2014-02-03 16:23:44 -0800 | [diff] [blame] | 1320 | // static |
David Zeuthen | e8ed863 | 2014-07-24 13:38:10 -0400 | [diff] [blame] | 1321 | bool OmahaRequestAction::ParseInstallDate(OmahaParserData* parser_data, |
David Zeuthen | 639aa36 | 2014-02-03 16:23:44 -0800 | [diff] [blame] | 1322 | OmahaResponse* output_object) { |
David Zeuthen | 639aa36 | 2014-02-03 16:23:44 -0800 | [diff] [blame] | 1323 | int64_t elapsed_days = 0; |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 1324 | if (!base::StringToInt64(parser_data->daystart_elapsed_days, &elapsed_days)) |
David Zeuthen | 639aa36 | 2014-02-03 16:23:44 -0800 | [diff] [blame] | 1325 | return false; |
| 1326 | |
| 1327 | if (elapsed_days < 0) |
| 1328 | return false; |
| 1329 | |
| 1330 | output_object->install_date_days = elapsed_days; |
| 1331 | return true; |
| 1332 | } |
| 1333 | |
| 1334 | // static |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 1335 | bool OmahaRequestAction::HasInstallDate(SystemState* system_state) { |
David Zeuthen | 639aa36 | 2014-02-03 16:23:44 -0800 | [diff] [blame] | 1336 | PrefsInterface* prefs = system_state->prefs(); |
Alex Vakulenko | 88b591f | 2014-08-28 16:48:57 -0700 | [diff] [blame] | 1337 | if (prefs == nullptr) |
David Zeuthen | 639aa36 | 2014-02-03 16:23:44 -0800 | [diff] [blame] | 1338 | return false; |
| 1339 | |
| 1340 | return prefs->Exists(kPrefsInstallDateDays); |
| 1341 | } |
| 1342 | |
| 1343 | // static |
| 1344 | bool OmahaRequestAction::PersistInstallDate( |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 1345 | SystemState* system_state, |
David Zeuthen | 639aa36 | 2014-02-03 16:23:44 -0800 | [diff] [blame] | 1346 | int install_date_days, |
| 1347 | InstallDateProvisioningSource source) { |
| 1348 | TEST_AND_RETURN_FALSE(install_date_days >= 0); |
| 1349 | |
| 1350 | PrefsInterface* prefs = system_state->prefs(); |
Alex Vakulenko | 88b591f | 2014-08-28 16:48:57 -0700 | [diff] [blame] | 1351 | if (prefs == nullptr) |
David Zeuthen | 639aa36 | 2014-02-03 16:23:44 -0800 | [diff] [blame] | 1352 | return false; |
| 1353 | |
| 1354 | if (!prefs->SetInt64(kPrefsInstallDateDays, install_date_days)) |
| 1355 | return false; |
| 1356 | |
Tianjie Xu | 282aa1f | 2017-09-05 13:42:45 -0700 | [diff] [blame] | 1357 | system_state->metrics_reporter()->ReportInstallDateProvisioningSource( |
David Zeuthen | 33bae49 | 2014-02-25 16:16:18 -0800 | [diff] [blame] | 1358 | static_cast<int>(source), // Sample. |
| 1359 | kProvisionedMax); // Maximum. |
David Zeuthen | 639aa36 | 2014-02-03 16:23:44 -0800 | [diff] [blame] | 1360 | return true; |
| 1361 | } |
| 1362 | |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 1363 | bool OmahaRequestAction::PersistCohortData(const string& prefs_key, |
| 1364 | const string& new_value) { |
Alex Deymo | 8e18f93 | 2015-03-27 16:16:59 -0700 | [diff] [blame] | 1365 | if (new_value.empty() && system_state_->prefs()->Exists(prefs_key)) { |
| 1366 | LOG(INFO) << "Removing stored " << prefs_key << " value."; |
| 1367 | return system_state_->prefs()->Delete(prefs_key); |
| 1368 | } else if (!new_value.empty()) { |
| 1369 | LOG(INFO) << "Storing new setting " << prefs_key << " as " << new_value; |
| 1370 | return system_state_->prefs()->SetString(prefs_key, new_value); |
| 1371 | } |
| 1372 | return true; |
| 1373 | } |
| 1374 | |
Amin Hassani | 2cbb069 | 2019-10-30 13:36:17 -0700 | [diff] [blame] | 1375 | bool OmahaRequestAction::PersistEolInfo(const map<string, string>& attrs) { |
Jae Hoon Kim | b314674 | 2019-11-07 13:24:24 -0800 | [diff] [blame] | 1376 | // If EOL date attribute is not sent, don't delete the old persisted EOL |
| 1377 | // date information. |
Jae Hoon Kim | 051627a | 2019-09-03 12:56:32 -0700 | [diff] [blame] | 1378 | auto eol_date_attr = attrs.find(kAttrEolDate); |
Jae Hoon Kim | b314674 | 2019-11-07 13:24:24 -0800 | [diff] [blame] | 1379 | if (eol_date_attr != attrs.end() && |
| 1380 | !system_state_->prefs()->SetString(kPrefsOmahaEolDate, |
| 1381 | eol_date_attr->second)) { |
Jae Hoon Kim | 051627a | 2019-09-03 12:56:32 -0700 | [diff] [blame] | 1382 | LOG(ERROR) << "Setting EOL date failed."; |
Amin Hassani | 2cbb069 | 2019-10-30 13:36:17 -0700 | [diff] [blame] | 1383 | return false; |
Alex Deymo | b3fa53b | 2016-04-18 19:57:58 -0700 | [diff] [blame] | 1384 | } |
Amin Hassani | 2cbb069 | 2019-10-30 13:36:17 -0700 | [diff] [blame] | 1385 | return true; |
Alex Deymo | b3fa53b | 2016-04-18 19:57:58 -0700 | [diff] [blame] | 1386 | } |
| 1387 | |
David Zeuthen | 33bae49 | 2014-02-25 16:16:18 -0800 | [diff] [blame] | 1388 | void OmahaRequestAction::ActionCompleted(ErrorCode code) { |
| 1389 | // We only want to report this on "update check". |
| 1390 | if (ping_only_ || event_ != nullptr) |
| 1391 | return; |
| 1392 | |
| 1393 | metrics::CheckResult result = metrics::CheckResult::kUnset; |
| 1394 | metrics::CheckReaction reaction = metrics::CheckReaction::kUnset; |
| 1395 | metrics::DownloadErrorCode download_error_code = |
| 1396 | metrics::DownloadErrorCode::kUnset; |
| 1397 | |
| 1398 | // Regular update attempt. |
| 1399 | switch (code) { |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 1400 | case ErrorCode::kSuccess: |
| 1401 | // OK, we parsed the response successfully but that does |
| 1402 | // necessarily mean that an update is available. |
| 1403 | if (HasOutputPipe()) { |
| 1404 | const OmahaResponse& response = GetOutputObject(); |
| 1405 | if (response.update_exists) { |
| 1406 | result = metrics::CheckResult::kUpdateAvailable; |
| 1407 | reaction = metrics::CheckReaction::kUpdating; |
| 1408 | } else { |
| 1409 | result = metrics::CheckResult::kNoUpdateAvailable; |
| 1410 | } |
David Zeuthen | 33bae49 | 2014-02-25 16:16:18 -0800 | [diff] [blame] | 1411 | } else { |
| 1412 | result = metrics::CheckResult::kNoUpdateAvailable; |
| 1413 | } |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 1414 | break; |
David Zeuthen | 33bae49 | 2014-02-25 16:16:18 -0800 | [diff] [blame] | 1415 | |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 1416 | case ErrorCode::kOmahaUpdateIgnoredPerPolicy: |
| 1417 | case ErrorCode::kOmahaUpdateIgnoredOverCellular: |
| 1418 | result = metrics::CheckResult::kUpdateAvailable; |
| 1419 | reaction = metrics::CheckReaction::kIgnored; |
| 1420 | break; |
David Zeuthen | 33bae49 | 2014-02-25 16:16:18 -0800 | [diff] [blame] | 1421 | |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 1422 | case ErrorCode::kOmahaUpdateDeferredPerPolicy: |
| 1423 | result = metrics::CheckResult::kUpdateAvailable; |
| 1424 | reaction = metrics::CheckReaction::kDeferring; |
| 1425 | break; |
David Zeuthen | 33bae49 | 2014-02-25 16:16:18 -0800 | [diff] [blame] | 1426 | |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 1427 | case ErrorCode::kOmahaUpdateDeferredForBackoff: |
| 1428 | result = metrics::CheckResult::kUpdateAvailable; |
| 1429 | reaction = metrics::CheckReaction::kBackingOff; |
| 1430 | break; |
David Zeuthen | 33bae49 | 2014-02-25 16:16:18 -0800 | [diff] [blame] | 1431 | |
Amin Hassani | 7cc8bb0 | 2019-01-14 16:29:47 -0800 | [diff] [blame] | 1432 | default: |
| 1433 | // We report two flavors of errors, "Download errors" and "Parsing |
| 1434 | // error". Try to convert to the former and if that doesn't work |
| 1435 | // we know it's the latter. |
| 1436 | metrics::DownloadErrorCode tmp_error = |
| 1437 | metrics_utils::GetDownloadErrorCode(code); |
| 1438 | if (tmp_error != metrics::DownloadErrorCode::kInputMalformed) { |
| 1439 | result = metrics::CheckResult::kDownloadError; |
| 1440 | download_error_code = tmp_error; |
| 1441 | } else { |
| 1442 | result = metrics::CheckResult::kParsingError; |
| 1443 | } |
| 1444 | break; |
David Zeuthen | 33bae49 | 2014-02-25 16:16:18 -0800 | [diff] [blame] | 1445 | } |
| 1446 | |
Amin Hassani | d3d8421 | 2019-08-17 00:27:44 -0700 | [diff] [blame] | 1447 | system_state_->metrics_reporter()->ReportUpdateCheckMetrics( |
| 1448 | system_state_, result, reaction, download_error_code); |
David Zeuthen | 33bae49 | 2014-02-25 16:16:18 -0800 | [diff] [blame] | 1449 | } |
| 1450 | |
Toni Barzic | 61544e6 | 2018-10-11 14:37:30 -0700 | [diff] [blame] | 1451 | bool OmahaRequestAction::ShouldIgnoreUpdate(const OmahaResponse& response, |
| 1452 | ErrorCode* error) const { |
Chris Sosa | 77f79e8 | 2014-06-02 18:16:24 -0700 | [diff] [blame] | 1453 | // Note: policy decision to not update to a version we rolled back from. |
| 1454 | string rollback_version = |
| 1455 | system_state_->payload_state()->GetRollbackVersion(); |
Alex Vakulenko | d2779df | 2014-06-16 13:19:00 -0700 | [diff] [blame] | 1456 | if (!rollback_version.empty()) { |
Chris Sosa | 77f79e8 | 2014-06-02 18:16:24 -0700 | [diff] [blame] | 1457 | LOG(INFO) << "Detected previous rollback from version " << rollback_version; |
Alex Vakulenko | d2779df | 2014-06-16 13:19:00 -0700 | [diff] [blame] | 1458 | if (rollback_version == response.version) { |
Chris Sosa | 77f79e8 | 2014-06-02 18:16:24 -0700 | [diff] [blame] | 1459 | LOG(INFO) << "Received version that we rolled back from. Ignoring."; |
Weidong Guo | 421ff33 | 2017-04-17 10:08:38 -0700 | [diff] [blame] | 1460 | *error = ErrorCode::kOmahaUpdateIgnoredPerPolicy; |
Chris Sosa | 77f79e8 | 2014-06-02 18:16:24 -0700 | [diff] [blame] | 1461 | return true; |
| 1462 | } |
| 1463 | } |
| 1464 | |
Toni Barzic | 61544e6 | 2018-10-11 14:37:30 -0700 | [diff] [blame] | 1465 | if (system_state_->hardware()->IsOOBEEnabled() && |
| 1466 | !system_state_->hardware()->IsOOBEComplete(nullptr) && |
| 1467 | (response.deadline.empty() || |
| 1468 | system_state_->payload_state()->GetRollbackHappened()) && |
| 1469 | params_->app_version() != "ForcedUpdate") { |
| 1470 | LOG(INFO) << "Ignoring a non-critical Omaha update before OOBE completion."; |
| 1471 | *error = ErrorCode::kNonCriticalUpdateInOOBE; |
| 1472 | return true; |
| 1473 | } |
| 1474 | |
Weidong Guo | 421ff33 | 2017-04-17 10:08:38 -0700 | [diff] [blame] | 1475 | if (!IsUpdateAllowedOverCurrentConnection(error, response)) { |
Chris Sosa | 77f79e8 | 2014-06-02 18:16:24 -0700 | [diff] [blame] | 1476 | LOG(INFO) << "Update is not allowed over current connection."; |
| 1477 | return true; |
| 1478 | } |
| 1479 | |
| 1480 | // Note: We could technically delete the UpdateFirstSeenAt state when we |
| 1481 | // return true. If we do, it'll mean a device has to restart the |
| 1482 | // UpdateFirstSeenAt and thus help scattering take effect when the AU is |
| 1483 | // turned on again. On the other hand, it also increases the chance of update |
| 1484 | // starvation if an admin turns AU on/off more frequently. We choose to err on |
| 1485 | // the side of preventing starvation at the cost of not applying scattering in |
| 1486 | // those cases. |
| 1487 | return false; |
| 1488 | } |
| 1489 | |
Weidong Guo | 421ff33 | 2017-04-17 10:08:38 -0700 | [diff] [blame] | 1490 | bool OmahaRequestAction::IsUpdateAllowedOverCellularByPrefs( |
| 1491 | const OmahaResponse& response) const { |
| 1492 | PrefsInterface* prefs = system_state_->prefs(); |
| 1493 | |
| 1494 | if (!prefs) { |
| 1495 | LOG(INFO) << "Disabling updates over cellular as the preferences are " |
| 1496 | "not available."; |
| 1497 | return false; |
| 1498 | } |
| 1499 | |
| 1500 | bool is_allowed; |
| 1501 | |
| 1502 | if (prefs->Exists(kPrefsUpdateOverCellularPermission) && |
| 1503 | prefs->GetBoolean(kPrefsUpdateOverCellularPermission, &is_allowed) && |
| 1504 | is_allowed) { |
| 1505 | LOG(INFO) << "Allowing updates over cellular as permission preference is " |
| 1506 | "set to true."; |
| 1507 | return true; |
| 1508 | } |
| 1509 | |
| 1510 | if (!prefs->Exists(kPrefsUpdateOverCellularTargetVersion) || |
| 1511 | !prefs->Exists(kPrefsUpdateOverCellularTargetSize)) { |
| 1512 | LOG(INFO) << "Disabling updates over cellular as permission preference is " |
| 1513 | "set to false or does not exist while target does not exist."; |
| 1514 | return false; |
| 1515 | } |
| 1516 | |
| 1517 | std::string target_version; |
| 1518 | int64_t target_size; |
| 1519 | |
| 1520 | if (!prefs->GetString(kPrefsUpdateOverCellularTargetVersion, |
| 1521 | &target_version) || |
| 1522 | !prefs->GetInt64(kPrefsUpdateOverCellularTargetSize, &target_size)) { |
| 1523 | LOG(INFO) << "Disabling updates over cellular as the target version or " |
| 1524 | "size is not accessible."; |
| 1525 | return false; |
| 1526 | } |
| 1527 | |
| 1528 | uint64_t total_packages_size = 0; |
| 1529 | for (const auto& package : response.packages) { |
| 1530 | total_packages_size += package.size; |
| 1531 | } |
| 1532 | if (target_version == response.version && |
| 1533 | static_cast<uint64_t>(target_size) == total_packages_size) { |
| 1534 | LOG(INFO) << "Allowing updates over cellular as the target matches the" |
| 1535 | "omaha response."; |
| 1536 | return true; |
| 1537 | } else { |
| 1538 | LOG(INFO) << "Disabling updates over cellular as the target does not" |
| 1539 | "match the omaha response."; |
| 1540 | return false; |
| 1541 | } |
| 1542 | } |
| 1543 | |
| 1544 | bool OmahaRequestAction::IsUpdateAllowedOverCurrentConnection( |
| 1545 | ErrorCode* error, const OmahaResponse& response) const { |
Sen Jiang | 255e22b | 2016-05-20 16:15:29 -0700 | [diff] [blame] | 1546 | ConnectionType type; |
| 1547 | ConnectionTethering tethering; |
Alex Deymo | f6ee016 | 2015-07-31 12:35:22 -0700 | [diff] [blame] | 1548 | ConnectionManagerInterface* connection_manager = |
| 1549 | system_state_->connection_manager(); |
Alex Deymo | 3053450 | 2015-07-20 15:06:33 -0700 | [diff] [blame] | 1550 | if (!connection_manager->GetConnectionProperties(&type, &tethering)) { |
Chris Sosa | 77f79e8 | 2014-06-02 18:16:24 -0700 | [diff] [blame] | 1551 | LOG(INFO) << "We could not determine our connection type. " |
| 1552 | << "Defaulting to allow updates."; |
| 1553 | return true; |
| 1554 | } |
Weidong Guo | 421ff33 | 2017-04-17 10:08:38 -0700 | [diff] [blame] | 1555 | |
Chris Sosa | 77f79e8 | 2014-06-02 18:16:24 -0700 | [diff] [blame] | 1556 | bool is_allowed = connection_manager->IsUpdateAllowedOver(type, tethering); |
Weidong Guo | 421ff33 | 2017-04-17 10:08:38 -0700 | [diff] [blame] | 1557 | bool is_device_policy_set = |
| 1558 | connection_manager->IsAllowedConnectionTypesForUpdateSet(); |
| 1559 | // Treats tethered connection as if it is cellular connection. |
| 1560 | bool is_over_cellular = type == ConnectionType::kCellular || |
| 1561 | tethering == ConnectionTethering::kConfirmed; |
| 1562 | |
| 1563 | if (!is_over_cellular) { |
| 1564 | // There's no need to further check user preferences as we are not over |
| 1565 | // cellular connection. |
| 1566 | if (!is_allowed) |
| 1567 | *error = ErrorCode::kOmahaUpdateIgnoredPerPolicy; |
| 1568 | } else if (is_device_policy_set) { |
| 1569 | // There's no need to further check user preferences as the device policy |
| 1570 | // is set regarding updates over cellular. |
| 1571 | if (!is_allowed) |
| 1572 | *error = ErrorCode::kOmahaUpdateIgnoredPerPolicy; |
| 1573 | } else { |
| 1574 | // Deivce policy is not set, so user preferences overwrite whether to |
| 1575 | // allow updates over cellular. |
| 1576 | is_allowed = IsUpdateAllowedOverCellularByPrefs(response); |
| 1577 | if (!is_allowed) |
| 1578 | *error = ErrorCode::kOmahaUpdateIgnoredOverCellular; |
| 1579 | } |
| 1580 | |
Chris Sosa | 77f79e8 | 2014-06-02 18:16:24 -0700 | [diff] [blame] | 1581 | LOG(INFO) << "We are connected via " |
Sen Jiang | 255e22b | 2016-05-20 16:15:29 -0700 | [diff] [blame] | 1582 | << connection_utils::StringForConnectionType(type) |
Chris Sosa | 77f79e8 | 2014-06-02 18:16:24 -0700 | [diff] [blame] | 1583 | << ", Updates allowed: " << (is_allowed ? "Yes" : "No"); |
| 1584 | return is_allowed; |
| 1585 | } |
| 1586 | |
Zentaro Kavanagh | 1f899d5 | 2018-02-27 15:02:47 -0800 | [diff] [blame] | 1587 | bool OmahaRequestAction::IsRollbackEnabled() const { |
| 1588 | if (policy_provider_->IsConsumerDevice()) { |
| 1589 | LOG(INFO) << "Rollback is not enabled for consumer devices."; |
| 1590 | return false; |
| 1591 | } |
| 1592 | |
| 1593 | if (!policy_provider_->device_policy_is_loaded()) { |
| 1594 | LOG(INFO) << "No device policy is loaded. Assuming rollback enabled."; |
| 1595 | return true; |
| 1596 | } |
| 1597 | |
| 1598 | int allowed_milestones; |
| 1599 | if (!policy_provider_->GetDevicePolicy().GetRollbackAllowedMilestones( |
| 1600 | &allowed_milestones)) { |
| 1601 | LOG(INFO) << "RollbackAllowedMilestones policy can't be read. " |
| 1602 | "Defaulting to rollback enabled."; |
| 1603 | return true; |
| 1604 | } |
| 1605 | |
| 1606 | LOG(INFO) << "Rollback allows " << allowed_milestones << " milestones."; |
| 1607 | return allowed_milestones > 0; |
| 1608 | } |
| 1609 | |
| 1610 | void OmahaRequestAction::SetMaxKernelKeyVersionForRollback() const { |
Marton Hunyady | ffbfdfb | 2018-05-30 13:03:29 +0200 | [diff] [blame] | 1611 | int max_kernel_rollforward; |
| 1612 | int min_kernel_version = system_state_->hardware()->GetMinKernelKeyVersion(); |
Zentaro Kavanagh | 1f899d5 | 2018-02-27 15:02:47 -0800 | [diff] [blame] | 1613 | if (IsRollbackEnabled()) { |
| 1614 | // If rollback is enabled, set the max kernel key version to the current |
| 1615 | // kernel key version. This has the effect of freezing kernel key roll |
| 1616 | // forwards. |
| 1617 | // |
| 1618 | // TODO(zentaro): This behavior is temporary, and ensures that no kernel |
| 1619 | // key roll forward happens until the server side components of rollback |
| 1620 | // are implemented. Future changes will allow the Omaha server to return |
| 1621 | // the kernel key version from max_rollback_versions in the past. At that |
| 1622 | // point the max kernel key version will be set to that value, creating a |
| 1623 | // sliding window of versions that can be rolled back to. |
Zentaro Kavanagh | 5d95615 | 2018-05-15 09:40:33 -0700 | [diff] [blame] | 1624 | LOG(INFO) << "Rollback is enabled. Setting kernel_max_rollforward to " |
Zentaro Kavanagh | 1f899d5 | 2018-02-27 15:02:47 -0800 | [diff] [blame] | 1625 | << min_kernel_version; |
Marton Hunyady | ffbfdfb | 2018-05-30 13:03:29 +0200 | [diff] [blame] | 1626 | max_kernel_rollforward = min_kernel_version; |
Zentaro Kavanagh | 1f899d5 | 2018-02-27 15:02:47 -0800 | [diff] [blame] | 1627 | } else { |
| 1628 | // For devices that are not rollback enabled (ie. consumer devices), the |
| 1629 | // max kernel key version is set to 0xfffffffe, which is logically |
| 1630 | // infinity. This maintains the previous behavior that that kernel key |
| 1631 | // versions roll forward each time they are incremented. |
Zentaro Kavanagh | 5d95615 | 2018-05-15 09:40:33 -0700 | [diff] [blame] | 1632 | LOG(INFO) << "Rollback is disabled. Setting kernel_max_rollforward to " |
Zentaro Kavanagh | 1f899d5 | 2018-02-27 15:02:47 -0800 | [diff] [blame] | 1633 | << kRollforwardInfinity; |
Marton Hunyady | ffbfdfb | 2018-05-30 13:03:29 +0200 | [diff] [blame] | 1634 | max_kernel_rollforward = kRollforwardInfinity; |
Zentaro Kavanagh | 1f899d5 | 2018-02-27 15:02:47 -0800 | [diff] [blame] | 1635 | } |
| 1636 | |
Marton Hunyady | ffbfdfb | 2018-05-30 13:03:29 +0200 | [diff] [blame] | 1637 | bool max_rollforward_set = |
| 1638 | system_state_->hardware()->SetMaxKernelKeyRollforward( |
| 1639 | max_kernel_rollforward); |
Zentaro Kavanagh | 1f899d5 | 2018-02-27 15:02:47 -0800 | [diff] [blame] | 1640 | if (!max_rollforward_set) { |
Zentaro Kavanagh | 5d95615 | 2018-05-15 09:40:33 -0700 | [diff] [blame] | 1641 | LOG(ERROR) << "Failed to set kernel_max_rollforward"; |
Zentaro Kavanagh | 1f899d5 | 2018-02-27 15:02:47 -0800 | [diff] [blame] | 1642 | } |
Marton Hunyady | ffbfdfb | 2018-05-30 13:03:29 +0200 | [diff] [blame] | 1643 | // Report metrics |
| 1644 | system_state_->metrics_reporter()->ReportKeyVersionMetrics( |
| 1645 | min_kernel_version, max_kernel_rollforward, max_rollforward_set); |
Zentaro Kavanagh | 1f899d5 | 2018-02-27 15:02:47 -0800 | [diff] [blame] | 1646 | } |
| 1647 | |
May Lippert | 60aa3ca | 2018-08-15 16:55:29 -0700 | [diff] [blame] | 1648 | base::Time OmahaRequestAction::LoadOrPersistUpdateFirstSeenAtPref() const { |
| 1649 | Time update_first_seen_at; |
| 1650 | int64_t update_first_seen_at_int; |
| 1651 | if (system_state_->prefs()->Exists(kPrefsUpdateFirstSeenAt)) { |
| 1652 | if (system_state_->prefs()->GetInt64(kPrefsUpdateFirstSeenAt, |
| 1653 | &update_first_seen_at_int)) { |
| 1654 | // Note: This timestamp could be that of ANY update we saw in the past |
| 1655 | // (not necessarily this particular update we're considering to apply) |
| 1656 | // but never got to apply because of some reason (e.g. stop AU policy, |
| 1657 | // updates being pulled out from Omaha, changes in target version prefix, |
| 1658 | // new update being rolled out, etc.). But for the purposes of scattering |
| 1659 | // it doesn't matter which update the timestamp corresponds to. i.e. |
| 1660 | // the clock starts ticking the first time we see an update and we're |
| 1661 | // ready to apply when the random wait period is satisfied relative to |
| 1662 | // that first seen timestamp. |
| 1663 | update_first_seen_at = Time::FromInternalValue(update_first_seen_at_int); |
| 1664 | LOG(INFO) << "Using persisted value of UpdateFirstSeenAt: " |
| 1665 | << utils::ToString(update_first_seen_at); |
| 1666 | } else { |
| 1667 | // This seems like an unexpected error where the persisted value exists |
| 1668 | // but it's not readable for some reason. |
| 1669 | LOG(INFO) << "UpdateFirstSeenAt value cannot be read"; |
| 1670 | return base::Time(); |
| 1671 | } |
| 1672 | } else { |
| 1673 | update_first_seen_at = system_state_->clock()->GetWallclockTime(); |
| 1674 | update_first_seen_at_int = update_first_seen_at.ToInternalValue(); |
| 1675 | if (system_state_->prefs()->SetInt64(kPrefsUpdateFirstSeenAt, |
| 1676 | update_first_seen_at_int)) { |
| 1677 | LOG(INFO) << "Persisted the new value for UpdateFirstSeenAt: " |
| 1678 | << utils::ToString(update_first_seen_at); |
| 1679 | } else { |
| 1680 | // This seems like an unexpected error where the value cannot be |
| 1681 | // persisted for some reason. |
| 1682 | LOG(INFO) << "UpdateFirstSeenAt value " |
| 1683 | << utils::ToString(update_first_seen_at) |
| 1684 | << " cannot be persisted"; |
| 1685 | return base::Time(); |
| 1686 | } |
| 1687 | } |
| 1688 | return update_first_seen_at; |
| 1689 | } |
| 1690 | |
Jay Srinivasan | 480ddfa | 2012-06-01 19:15:26 -0700 | [diff] [blame] | 1691 | } // namespace chromeos_update_engine |